题解 | 牛牛学立体

#include <iostream>
using namespace std;
int main() {
    int a, b, h;
    int S, V;
    cin >> a >> b >> h;
    S = (a * b + a * h + b * h) * 2;
    V = a * b * h;
    cout << S << endl;
    cout << V;
}