#include<iostream>
using namespace std;
int main(){
int n,m,i,sum=0;
cin>>n;
int arr[4];
for(int j=0;j<n;j++){


for(i=0;i<4;i++){
    cin>>arr[i];
}
cin>>m;
sum=(arr[0]+m-(arr[2]))*60;
sum=sum+(arr[1]-arr[3]);
cout<<sum<<endl;

}
return 0;
}