The difference between 27 and 12 is: 
The difference between 98 and 11 is: 
The difference between 25 and 12 is: 
The difference between 27 and 10 is: 
The difference between 77 and 12 is: 
The difference between 27 and 12 is: 
The difference between 31 and 16 is: 
The difference between 27 and 12 is: 