#include <iostream>
using namespace std;
class Box{
public:
int L;
int H;
int W;
};
int main() {
Box Box1;
Box Box2;
int V = 0;
Box1.L = 3;
Box1.H = 4;
Box1.W = 5;
Box2.L = 4;
Box2.H = 5;
Box2.W = 6;
V = Box1.L * Box1.H * Box1.W;
cout<<"box1的体积:"<<V<<endl;
}