CODE:

#include 
#include 
#include 
using namespace std;

tuple add_sub_mul_div(int x, int y) {
	return make_tuple(
		x + y,
		x - y,
		x * y,
		x / y
	);
}

int main()
{
	int addres, subres, mulres, divres;
	tie(addres, subres, mulres, divres) = add_sub_mul_div(10, 20);

	cout << "足し算:" << addres << endl;
	cout << "引き算:" << subres << endl;
	cout << "掛け算:" << mulres << endl;
	cout << "割り算:" << divres << endl;
}