#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; long long const mod = 1000000007; long long gcd(long long a, long long b) { if (a % b == 0) { return (b); } else { return (gcd(b, a % b)); } } long long extGCD(long long a, long long b, long long& x, long long& y) { if (b == 0) { x = 1; y = 0; return a; } long long d = extGCD(b, a % b, y, x); y -= a / b * x; return d; } int main(){ int t; cin >> t; for (int i = 0; i < t; i++) { long long n, k, h, y; long long a[3]; cin >> a[0] >> a[1] >> a[2] >> y; sort(a, a + 3); n = a[2], k = a[1], h = a[0]; long long g = gcd(k, h); long long ans = 0, K, H, l, K1, H1, now = y; extGCD(k, h, K, H); long long mK = K, mH = H; for (int j = 0; j <= y / n; j++) { if (now % g == 0){ K *= now / g, H *= now / g; l = k * h / g; K1 = l / k; H1 = l / h; if (K < 0) { H -= (-K + K1 - 1) / K1 * H1; K += (-K + K1 - 1) / K1 * K1; } else if (H < 0) { K -= (-H + H1 - 1) / H1 * K1; H += (-H + H1 - 1) / H1 * H1; } if (K >= 0 && H >= 0) { ans += K / K1 + H / H1 + 1; if (ans > mod) { ans %= mod; } } } now -= n; K = mK, H = mH; } cout << ans << endl; } }