hdu2524(有多少个矩形)
/**/
#include <cstdio>
#include <cstring>
#include <cmath>
#include <cctype>
#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <vector>
#include <string>
#include <stack>
#include <queue>
typedef long long LL;
using namespace std;
int t;
int n, m;
int main()
{
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
scanf("%d", &t);
while(t--){
scanf("%d %d", &n, &m);
printf("%d\n", n * (n + 1) / 2 * m * (m + 1) / 2);
}
return 0;
}
/**/