class box_Shape 
    {
        int width;
        int height;
        int length;
        int vol;
        void vol() 
        {
             vol = height * width  * length;
        } 
    }    
   public class Result 
    { 
        public static void main(String args[])
        {
            box_Shape obj = new box_Shape();
            obj.height = 5;
            obj.length = 10;
            obj.width = 3;
            obj.vol();
            System.out.println(obj.vol);        
        } 
    }