Как начать метод Main повторно? - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
 
namespace Project1
{
    class Class1
    {
        static double operation;
        static void Main()
        {
            var a = double.Parse(Console.ReadLine());
            char operation1 = char.Parse(Console.ReadLine());
            var b = double.Parse(Console.ReadLine());
            if(operation1 == '+')
            {
                operation =(double)(a + b);
            }
            else if(operation1 == '-')
            {
                operation =(double)(a - b);
            }
            else if (operation1 == '*')
            {
                operation =(double)(a * b);
            }
            else if (operation1 == '/')
            {
                operation =(double)(a / b);
            }
            Console.WriteLine(operation);
            Console.ReadKey();
        }      
    }
}