#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; constexpr int INF = 1001001001; constexpr int mod = 1000000007; // constexpr int mod = 998244353; template inline bool chmax(T& x, T y){ if(x < y){ x = y; return true; } return false; } template inline bool chmin(T& x, T y){ if(x > y){ x = y; return true; } return false; } long long extgcd(long long a, long long b, long long& x, long long& y){ long long g = a; if(b != 0){ g = extgcd(b, a % b, y, x); y -= (a / b) * x; } else{ x = 1, y = 0; } return g; } void solve(){ vector N(3); ll Y; cin >> N[0] >> N[1] >> N[2] >> Y; sort(rbegin(N), rend(N)); ll g = gcd(N[1], N[2]); N[1] /= g, N[2] /= g; ll ans = 0; for(ll i = 0; i <= Y / N[0]; ++i){ ll X = Y - N[0] * i; if(X % g != 0) continue; X /= g; ll p, q; extgcd(N[1], N[2], p, q); ll upper, lower; if(q >= 0) upper = X * q / N[1]; else upper = (X * q - (N[1] - 1)) / N[1]; if(p < 0) lower = (-X * p + N[2] - 1) / N[2]; else lower = -X * p / N[2]; (ans += upper - lower + 1) %= mod; } cout << ans << '\n'; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int T; cin >> T; while(T--) solve(); return 0; }