The difference between 86 and 27 is: 
The difference between 21 and 17 is: 
The difference between 88 and 27 is: 
The difference between 86 and 24 is: 
The difference between 76 and 27 is: 
The difference between 86 and 17 is: 
The difference between 89 and 20 is: 
The difference between 86 and 27 is: 