The difference between 57 and 15 is: 
The difference between 25 and 11 is: 
The difference between 59 and 15 is: 
The difference between 57 and 15 is: 
The difference between 57 and 15 is: 
The difference between 57 and 15 is: 
The difference between 60 and 18 is: 
The difference between 57 and 15 is: 