The difference between 59 and 12 is: 
The difference between 38 and 21 is: 
The difference between 55 and 12 is: 
The difference between 59 and 12 is: 
The difference between 49 and 12 is: 
The difference between 59 and 42 is: 
The difference between 64 and 17 is: 
The difference between 59 and 12 is: 