代码错了，但是不知道应该怎么改，想问一下

#include
using namespace std;
class Box
{
private:double length;
double breadth;
double height;
};
int main( )
{
Box Box1;
Box Box2;
double volume = 0.0;
Box1.height = 5.0;
Box1.length = 6.0;
Box1.breadth = 7.0;
Box2.height = 10.0;
Box2.length = 12.0;
Box2.breadth = 13.0;
volume = Box1.height * Box1.length * Box1.breadth;
cout << "Box1 的体积：" << volume <<endl;
volume = Box2.height * Box2.length * Box2.breadth;
cout << "Box2 的体积：" << volume <<endl;
return 0;
}

#include<iostream> 
using namespace std;
class Box
{
public:
    double length;
    double breadth;
    double height;
};
int main()
{
Box Box1;
Box Box2;
double volume = 0.0;
Box1.height = 5.0;
Box1.length = 6.0;
Box1.breadth = 7.0;
Box2.height = 10.0;
Box2.length = 12.0;
Box2.breadth = 13.0;
volume = Box1.height * Box1.length * Box1.breadth;
cout << "Box1 的体积：" << volume <<endl;
volume = Box2.height * Box2.length * Box2.breadth;
cout << "Box2 的体积：" << volume <<endl;
return 0;
}

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