The difference between 87 and 25 is: 
The difference between 56 and 37 is: 
The difference between 88 and 25 is: 
The difference between 87 and 25 is: 
The difference between 77 and 25 is: 
The difference between 87 and 75 is: 
The difference between 91 and 29 is: 
The difference between 87 and 25 is: 