The difference between 97 and 88 is: 
The difference between 63 and 47 is: 
The difference between 99 and 88 is: 
The difference between 97 and 82 is: 
The difference between 97 and 88 is: 
The difference between 97 and 18 is: 
The difference between 99 and 80 is: 
The difference between 97 and 88 is: 