The difference between 97 and 31 is: 
The difference between 74 and 21 is: 
The difference between 93 and 31 is: 
The difference between 97 and 32 is: 
The difference between 57 and 31 is: 
The difference between 97 and 11 is: 
The difference between 100 and 34 is: 
The difference between 97 and 31 is: 