The difference between 54 and 31 is: 
The difference between 77 and 71 is: 
The difference between 56 and 31 is: 
The difference between 54 and 33 is: 
The difference between 84 and 31 is: 
The difference between 54 and 11 is: 
The difference between 60 and 37 is: 
The difference between 54 and 31 is: 