C# calculator

class Program

    {

        static void Main(string[] args)

        {

            int num1;

            int num2;

            string operand;

            float answer;

 

 

            Console.Write("Please enter the first integer: ");

            num1 = Convert.ToInt32(Console.ReadLine());

 

 

            Console.Write("Please enter an operand (+, -, /, *): ");

            operand = Console.ReadLine();

 

 

            Console.Write("Please enter the second integer: ");

            num2 = Convert.ToInt32(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.ReadLine();

        }

    }

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