The difference between 88 and 16 is: 
The difference between 84 and 40 is: 
The difference between 88 and 16 is: 
The difference between 88 and 13 is: 
The difference between 28 and 16 is: 
The difference between 88 and 16 is: 
The difference between 90 and 18 is: 
The difference between 88 and 16 is: 