#include
using namespace std;
int main()
{
double bottles;
cout << "How many bottles do you have? ";
cin >> bottles;
double cans;
cout << "How many cans do you have? ";
cin >> cans;
const double BOTTLE_VOLUME = 2.0;
const double CAN_VOLUME = 0.355;
double total = bottles * BOTTLE_VOLUME
+ cans * CAN_VOLUME;
cout << "The total volume is " << total << " liter.\n";
return 0;
}