The difference between 37 and 28 is: 
The difference between 96 and 17 is: 
The difference between 39 and 28 is: 
The difference between 37 and 25 is: 
The difference between 97 and 28 is: 
The difference between 37 and 18 is: 
The difference between 39 and 20 is: 
The difference between 37 and 28 is: 