#include <iostream>

using namespace std;


template<class T> class Calc
{
public:
	T multiply(T x, T y);
	T add(T x, T y);
};

template<class T> T Calc<T>::multiply(T x, T y)
{
	return x * y;
}
template<class T> T Calc<T>::add(T x, T y)
{
	return x + y;
}

int main()
{
	Calc<double>* c1 = new Calc<double>();
	cout << c1->multiply(5.5, 6.5);
}