#include <iostream>using namespace std;struct point { int x; int y;};int main() { struct EX{ int a; int b; point c; } e; e.a = 1; e.b = 2; e.c.x = e.a + e.b; e.c.y = e.a * e.b; cout << e.c.x << ',' << e.c.y << endl; return 0;}输出：_________