public static void Main()
int firstNumber = 100, secondNumber = 50, result;
result = firstNumber + secondNumber;
Console.WriteLine("Addition : {0} + {1} = {2}", firstNumber, secondNumber, result);
result = firstNumber - secondNumber;
Console.WriteLine("Subtraction : {0} - {1} = {2}", firstNumber, secondNumber, result);
result = firstNumber * secondNumber;
Console.WriteLine("Multiplication : {0} * {1} = {2}", firstNumber, secondNumber, result);
result = firstNumber / secondNumber;
Console.WriteLine("Division : {0} / {1} = {2}", firstNumber, secondNumber, result);
result = firstNumber % secondNumber;
Console.WriteLine("Modulo : {0} % {1} = {2}", firstNumber, secondNumber, result);