#include <iostream>
using namespace std;
class Tank
{
private:
int gallons;
public:
Tank()
{ gallons = 50; }
Tank(int gal)
{ gallons = gal; }
int getGallons()
{ return gallons; }
};
int main() {
Tank storage1, storage2, storage3(20);
cout << storage1.getGallons() <<
// your code goes here
return 0;
}
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