The difference between 47 and 37 is: 
The difference between 89 and 87 is: 
The difference between 48 and 37 is: 
The difference between 47 and 30 is: 
The difference between 47 and 37 is: 
The difference between 47 and 17 is: 
The difference between 40 and 33 is: 
The difference between 47 and 37 is: 