The difference between 97 and 87 is: 
The difference between 63 and 38 is: 
The difference between 99 and 87 is: 
The difference between 97 and 84 is: 
The difference between 97 and 87 is: 
The difference between 97 and 37 is: 
The difference between 90 and 82 is: 
The difference between 97 and 87 is: 