What will be the output of the following C++ code?

#include <iostream>
#include <string>
using namespace std;
class Box
{
    int capacity;
    Box(){}
    Box(double capacity){
        this->capacity = capacity;
    }
};
int main(int argc, char const *argv[])
{
    Box b1(10);
    Box b2 = Box(14);
    return 0;
}