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#include <cstdio>
#include <cmath>
#define ll long long
const int N = 1e5+10;
const ll Q = 998244353;
int n, m;
ll ans;
int main()
{
   // freopen("1.txt", "r", stdin);
    int T;
    scanf("%d", &T);
    while (T--)
    {
        ans = 0;
        scanf("%d%d", &n, &m);
        if (n > m)
        {
            int t = n; n = m; m = t;
        }
        for (int i = 1; i <= n; ++i)
            ans += i * (n - i + 1) * (m - i + 1);
        printf("%lld\n", ans);
    }
    return 0;
}