The difference between 87 and 12 is: 
The difference between 60 and 34 is: 
The difference between 86 and 12 is: 
The difference between 87 and 10 is: 
The difference between 37 and 12 is: 
The difference between 87 and 52 is: 
The difference between 92 and 17 is: 
The difference between 87 and 12 is: 