using System;
public class BoxApplication
{
public class Box
public int length;
public int breadth;
public int height;
}
public static void Main()
Box b1=new Box();
Box b2 =new Box();
int volume=0;
b1.length=20;
b1.breadth=30;
b1.height=20;
b2.length=10;
b2.breadth=10;
b2.height=10;
volume=b1.length*b1.breadth*b1.height;
Console.WriteLine("Volume:{0}",volume);
volume=b2.length*b2.breadth*b2.height;