#include #include #include #include #include #include #include #include #include static const int MOD = 1000000007; using ll = long long; using u32 = unsigned; using u64 = unsigned long long; using namespace std; template constexpr T INF = ::numeric_limits::max() / 32 * 15 + 208; template T extgcd(T a, T b, T &x ,T &y){ for (T u = y = 1, v = x = 0; a; ) { ll q = b/a; swap(x -= q*u, u); swap(y -= q*v, v); swap(b -= q*a, a); } return b; } templateT divfloor(T x, T y){ if((x < 0) != (y < 0)) return (x+y-1)/y; else return x/y; } templateT divceil(T x, T y){ if((x < 0) != (y < 0)) return x/y; else return (x+y-1)/y; } void solve(){ ll a, b, c, y; cin >> a >> b >> c >> y; if(a > c) swap(a, c); if(b > c) swap(b, c); ll ans = 0, g = gcd(a, b); a /= g; b /= g; for (ll x2 = y; x2 >= 0; x2 -= c) { if(x2 % g) continue; ll x = x2/g, p, q; extgcd(a, b, p, q); p *= x; q *= x; ans += max(0LL, divfloor(q, a)-divceil(-p, b)+1); } cout << ans%MOD << "\n"; } int main() { int t; cin >> t; while(t--){ solve(); } return 0; }