The difference between 84 and 56 is: 
The difference between 19 and 11 is: 
The difference between 88 and 56 is: 
The difference between 84 and 51 is: 
The difference between 74 and 56 is: 
The difference between 84 and 16 is: 
The difference between 88 and 50 is: 
The difference between 84 and 56 is: 