The difference between 19 and 16 is: 
The difference between 94 and 82 is: 
The difference between 17 and 16 is: 
The difference between 19 and 17 is: 
The difference between 59 and 16 is: 
The difference between 19 and 16 is: 
The difference between 20 and 17 is: 
The difference between 19 and 16 is: 