static void Main(string[] args)
{
// box 1 specification
Box1.length = 6.0;
Box1.breadth = 7.0;
Box1.height = 5.0;
// box 2 specification
Box2.length = 11.0;
Box2.breadth = 16.0;
Box2.height = 12.0;
Console.WriteLine("Volume of Box1 : {0}", Box1.Volume(Box1.length, Box1.breadth, Box1.height));
Console.WriteLine("Volume of Box1 : {0}", Box2.Volume(Box2.length, Box2.breadth, Box2.height));
Console.ReadKey();
}