题解 | #(a+b-c)*d的计算问题#

#include <stdio.h>

int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	int d = 0;
	int sum = 0;
	scanf("%d %d %d %d", &a, &b, &c, &d);
	sum = (a + b - c) * d;
	printf("%d", sum);
	return 0;
}