#include
using namespace std;
typedef long long ll;
void solve(){
double N, D;
cin >> N >> D;
ll count = 0;
for (int i = 0; i < N; i++) {
double a,b,c;
cin >> a >> b >> c;
count += a * b / c >= D;
}
cout << count << "\n";
}
int main (){
int T;cin >>T;while(T--) solve();
}