The difference between 28 and 12 is: 
The difference between 97 and 95 is: 
The difference between 27 and 12 is: 
The difference between 28 and 17 is: 
The difference between 28 and 12 is: 
The difference between 28 and 12 is: 
The difference between 32 and 16 is: 
The difference between 28 and 12 is: 