uva6466

#include<iostream>#include<cstring>#include<cstdio>using namespace std;int n,p;double d,a,b,f;int main(){//freopen("in.txt","r",stdin);cin>>p;for(int t=1;t<=p;t++){cin>>n;cin>>d>>a>>b>>f;printf("%d %.2f\n",n,d/(a+b)*f);}return 0;}