The difference between 79 and 12 is: 
The difference between 54 and 31 is: 
The difference between 74 and 12 is: 
The difference between 79 and 17 is: 
The difference between 59 and 12 is: 
The difference between 79 and 32 is: 
The difference between 81 and 14 is: 
The difference between 79 and 12 is: 