C# Radio Button Calculator

program:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Radio
{
    public partial class Calculator : Form
    {
        public Calculator()
        {
            InitializeComponent();
        }

        private void calculateClick(object sender, EventArgs e)
        {
            try
            {
                if ((bool)addition.Checked)
                {
                    addValues();
                }
                else if ((bool)subtraction.Checked)
                {
                    subtractValues();
                }
                else if ((bool)multiplication.Checked)
                {
                    multiplyValues();
                }
                else if ((bool)division.Checked)
                {
                    divideValues();
                }
                else if ((bool)remainder.Checked)
                {
                    remainderValues();
                }
            }
            catch (Exception caught)
            {
                expression.Text = "";
                result.Text = caught.Message;
            }
        }

        private void addValues()
        {
            int lhs = int.Parse(lhsOperand.Text);
            int rhs = int.Parse(rhsOperand.Text);
            int outcome = 0;
            // TODO: Add rhs to lhs and store the result in outcome
            outcome = lhs + rhs;
            expression.Text = lhsOperand.Text + " + " + rhsOperand.Text;
            result.Text = outcome.ToString();
        }

        private void subtractValues()
        {
            int lhs = int.Parse(lhsOperand.Text);
            int rhs = int.Parse(rhsOperand.Text);
            int outcome = 0;
            // TODO: Subtract rhs from lhs and store the result in outcome
            outcome = lhs - rhs;
            expression.Text = lhsOperand.Text + " - " + rhsOperand.Text;
            result.Text = outcome.ToString();
        }

        private void multiplyValues()
        {
            int lhs = int.Parse(lhsOperand.Text);
            int rhs = int.Parse(rhsOperand.Text);
            int outcome = 0;
            // TODO: Multiply lhs by rhs and store the result in outcome
            outcome = lhs * rhs;
            expression.Text = lhsOperand.Text + " * " + rhsOperand.Text;
            result.Text = outcome.ToString();
        }

        private void divideValues()
        {
            int lhs = int.Parse(lhsOperand.Text);
            int rhs = int.Parse(rhsOperand.Text);
            int outcome = 0;
            // TODO: Divide lhs by rhs and store the result in outcome
            outcome = lhs / rhs;
            expression.Text = lhsOperand.Text + " / " + rhsOperand.Text;
            result.Text = outcome.ToString();
        }

        private void remainderValues()
        {
            int lhs = int.Parse(lhsOperand.Text);
            int rhs = int.Parse(rhsOperand.Text);
            int outcome = 0;
            // TODO: Work out the remainder after dividing lhs by rhs and store the result in outcome
            outcome = lhs % rhs;
            expression.Text = lhsOperand.Text + " % " + rhsOperand.Text;
            result.Text = outcome.ToString();
        
    }

        private void IsChecked(object sender, EventArgs e)
        {

        }
    }
}