The difference between 88 and 80 is: 
The difference between 91 and 82 is: 
The difference between 89 and 80 is: 
The difference between 88 and 80 is: 
The difference between 98 and 80 is: 
The difference between 88 and 30 is: 
The difference between 91 and 83 is: 
The difference between 88 and 80 is: 