public static void Main()
int subtract = 9876 - 5432;
int multiply = 9876 * 5432;
double divide2 = 9876/5431.0;
int modulus = 9876 % 5432;
String concat = "Hello" + " " + "World";
Console.WriteLine("adding: " + add);
Console.WriteLine("subtracting: " + subtract);
Console.WriteLine("multiplying: " + multiply);
Console.WriteLine("dividing integers: " + divide1);
Console.WriteLine("dividing doubles: " + divide2);
Console.WriteLine("modulus: " + modulus);
Console.WriteLine("concatting Strings: " + concat);