The difference between 87 and 69 is: 
The difference between 60 and 10 is: 
The difference between 89 and 69 is: 
The difference between 87 and 66 is: 
The difference between 87 and 69 is: 
The difference between 87 and 39 is: 
The difference between 88 and 60 is: 
The difference between 87 and 69 is: 