C# Calculator Attempt One

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CalculatorOne
{
    class Program
    {
        static void Main(string[] args)
        {
            double num01;
            double num02;
            int userChoice = 1;

            Console.Write ("First Number: ");
            num01 = double.Parse (Console.ReadLine());

            Console.WriteLine ("\nPlease select from one of the following options (1-4)");
            Console.WriteLine ("1 - Addition");
            Console.WriteLine ("2 - Subtraction");
            Console.WriteLine ("3 - Division");
            Console.WriteLine ("4 - Multiplication");

            userChoice = Int32.Parse (Console.ReadLine());

            switch (userChoice) //Used a bit like an if statement, but tidier and more efficient in this project
            {
                case 1:
                    Console.WriteLine("\nAddition Selected: ");
                    Console.Write("\nSecond Number: ");
                    num02 = double.Parse(Console.ReadLine());
                    Console.WriteLine ("\nTotal: " + num01 + " + " + num02 + " = " + (num01 + num02));
                    break;

                case 2:
                    Console.WriteLine("\nSubtraction Selected: ");
                    Console.Write("\nSecond Number: ");
                    num02 = double.Parse(Console.ReadLine());
                    Console.WriteLine("\nTotal: " + num01 + " - " + num02 + " = " + (num01 - num02));
                    break;

                case 3:
                    Console.WriteLine("\nDivision Selected: ");
                    Console.Write("\nSecond Number: ");
                    num02 = double.Parse(Console.ReadLine());
                    Console.WriteLine("\nTotal: " + num01 + " / " + num02 + " = " + (num01 / num02));
                    break;

                case 4:
                    Console.WriteLine("\nMultiplication Selected: ");
                    Console.Write("\nSecond Number: ");
                    num02 = double.Parse(Console.ReadLine());
                    Console.WriteLine("\nTotal: " + num01 + " x " + num02 + " = " + (num01 * num02));
                    break;

                default:
                    Console.WriteLine("Sorry incorrect input, please select one of the four options listed above.");
                    break;

            }

                Console.ReadLine();

        }
    }
}