static void Main(string[] args) { MathProxy proxy = new MathProxy(); Console.WriteLine("18 + 81 = " + proxy.Topla(18, 81)); Console.WriteLine("18 - 81 = " + proxy.Cikar(18, 81)); Console.WriteLine("18 * 81 = " + proxy.Carp(18, 81)); Console.WriteLine("18 / 81 = " + proxy.Bol(18, 81)); }