The difference between 87 and 80 is: 
The difference between 96 and 92 is: 
The difference between 86 and 80 is: 
The difference between 87 and 86 is: 
The difference between 97 and 80 is: 
The difference between 87 and 40 is: 
The difference between 96 and 89 is: 
The difference between 87 and 80 is: 