The difference between 82 and 15 is: 
The difference between 75 and 64 is: 
The difference between 88 and 15 is: 
The difference between 82 and 10 is: 
The difference between 72 and 15 is: 
The difference between 82 and 55 is: 
The difference between 87 and 10 is: 
The difference between 82 and 15 is: 