#include<stdio.h>
int main()
{
int i,n,l,m,ans;
int h1[1000],m1[1000],h2[1000],m2[1000],k[1000];
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%d",&h1[i]);
scanf("%d",&m1[i]);
scanf("%d",&h2[i]);
scanf("%d",&m2[i]);
scanf("%d",&k[i]);
}
for(i=0;i<n;i++){
l=k[i]*60;
m=(h2[i]-h1[i])*60;
ans=l-m+m1[i]-m2[i];
printf("%d\n",ans);
}
return 0;
}