The difference between 82 and 63 is: 
The difference between 88 and 78 is: 
The difference between 87 and 63 is: 
The difference between 82 and 61 is: 
The difference between 72 and 63 is: 
The difference between 82 and 13 is: 
The difference between 89 and 60 is: 
The difference between 82 and 63 is: 