The difference between 94 and 31 is: 
The difference between 91 and 24 is: 
The difference between 96 and 31 is: 
The difference between 94 and 30 is: 
The difference between 44 and 31 is: 
The difference between 94 and 21 is: 
The difference between 100 and 37 is: 
The difference between 94 and 31 is: 