#include<iostream>
using namespace std;
class QuantityCalculation{
    private:
    string name;
    float quan,price;float res=0;
    public:
    void quantity(string name,float quan,float price){
        res=quan*price;}
        void quantity(){
            cout<<res;}};
int main(){
    string name;
    float quan,price;
    cin>> name >> quan >> price;
QuantityCalculation q;
q.quantity(num,quan,price);
q.quantity();
ret
}            
            
    }
}