The difference between 56 and 28 is: 
The difference between 83 and 54 is: 
The difference between 59 and 28 is: 
The difference between 56 and 21 is: 
The difference between 96 and 28 is: 
The difference between 56 and 38 is: 
The difference between 58 and 20 is: 
The difference between 56 and 28 is: 