import java.io.*;
class area {
int l, b;
area(int i, int j) {
l = i;
b = j;
}
public int cal_area() {
return l * b;
}
}
class volume extends area {
int h;
volume(int i, int j, int k) {
super(i, j);
h = k;
}
public int cal_vol() {
return l * b * h;
}
}
class in_main {
public static void main(String args[]) throws IOException {
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter length of object");
int l = Integer.parseInt(obj.readLine());
System.out.println("Enter breath of object");
int b = Integer.parseInt(obj.readLine());
System.out.println("Enter height of object");
int h = Integer.parseInt(obj.readLine());
volume v = new volume(l, b, h);
System.out.println("Area = " + v.cal_area());
System.out.println("Volume = " + v.cal_vol());
}
}
/* Output
Enter length of object
5
Enter breath of object
10
Enter height of object
7
Area = 50
Volume = 350
*/