The difference between 88 and 37 is: 
The difference between 50 and 18 is: 
The difference between 88 and 37 is: 
The difference between 88 and 31 is: 
The difference between 58 and 37 is: 
The difference between 88 and 57 is: 
The difference between 90 and 39 is: 
The difference between 88 and 37 is: 