The difference between 37 and 16 is: 
The difference between 83 and 82 is: 
The difference between 38 and 16 is: 
The difference between 37 and 16 is: 
The difference between 57 and 16 is: 
The difference between 37 and 16 is: 
The difference between 40 and 19 is: 
The difference between 37 and 16 is: 