#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
using PLB = pair<i64, bool>;

void solve() {
	int a, b, c, d;
	i64 v, t;
	cin >> a >> b >> c >> d >> v >> t;
	i64 T = 1LL * a / gcd(a, c) * c; // lcm(a, c)

	auto calc = [&](auto t) {
	    // cnt : 计数器的值
	    // tim : LED 最后亮到哪
	    i64 cnt = 0, time = -1;
	    // now : 现在的时间
	    // x : BaoBao 下一次按键的时间
	    // y : DreamGrid 下一次按键的时间
	    i64 now = 0, x = 0, y = 0;
	    while (now <= t) {
	        // BaoBao 按键
	        if (now == x) {
	            cnt += b - (now > time ? 1 : 0);
	            time = now + v;
	            x += a;
	        }
	        // DreamGrid 按键
	        if (now == y) {
	            cnt += d - (now > time ? 1 : 0);
	            time = now + v;
	            y += c;
	        }
	        // 前进到下一个按键的时刻
	        now = min(x, y);
	    }
	    return PLB(cnt, time > t);
	};

	if (t < T) {
		cout << calc(t).first << '\n';
	} else {
		PLB p1 = calc(T - 1);
		PLB p2 = calc(t % T);
		cout << (p1.first + (p1.second ? 1 : 0) * (t / T) + p2.first) << '\n';
	}
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int t;
	cin >> t;
	while (t--) {
		solve();
	}

	return 0;
}