C# Console Swich case ile basit hesap makinesi yapma

C# Console Swich case ile basit hesap makinesi yapma
{
static void Main([] args)
{
  double num1;
  double num2;
  string operand;
  ConsoleKeyInfo status;
  double answer;
  while (true)
  {
    Console.Write("Enter First Number : ")
    num1 = Convert.ToDouble(Console.ReadLine());
    Console.Write("Enter Second Number : ")
    num2 = Convert.ToDouble(Console.ReadLine());
    Console.Write("Please enter an operand (+, -, /, *): ")
    operand = Console.ReadLine();
    switch (operand)
    {
      case "-":
        answer = num1 - num2;
        break
      case "+":
        answer = num1  num2;
        break
      case "/":
        answer = num1 / num2;
        break
      case "*":
        answer = num1 * num2;
        break
      default:
        answer = 0;
        break
    }
    Console.WriteLine(num1.ToString( + " " + operand + " " + num2.ToString() + " = " + answer.ToString())
    Console.WriteLine("\n\n Do You Want To Break (Y/y)"
    status = Console.ReadKey();
    if (status.Key == ConsoleKey.Y)
    {
      break
    }
    Console.Clear()
  }
}
 
}