The difference between 83 and 27 is: 
The difference between 71 and 65 is: 
The difference between 88 and 27 is: 
The difference between 83 and 21 is: 
The difference between 73 and 27 is: 
The difference between 83 and 77 is: 
The difference between 86 and 20 is: 
The difference between 83 and 27 is: 