The difference between 88 and 21 is: 
The difference between 91 and 24 is: 
The difference between 88 and 21 is: 
The difference between 88 and 26 is: 
The difference between 88 and 21 is: 
The difference between 88 and 31 is: 
The difference between 95 and 28 is: 
The difference between 88 and 21 is: 