#include <iostream>

using namespace std;

template <class T>
T volume(T side1, T side2, T side3){
	return side1 * side2 * side3;
}

int main(){
	cout << volume(1, 2, 3) << endl;
	cout << volume(1.2, 2.0, 3.3) << endl;
	return 0;
}