The difference between 87 and 40 is: 
The difference between 32 and 10 is: 
The difference between 89 and 40 is: 
The difference between 87 and 43 is: 
The difference between 87 and 40 is: 
The difference between 87 and 60 is: 
The difference between 93 and 46 is: 
The difference between 87 and 40 is: 