The difference between 54 and 28 is: 
The difference between 37 and 23 is: 
The difference between 59 and 28 is: 
The difference between 54 and 23 is: 
The difference between 84 and 28 is: 
The difference between 54 and 18 is: 
The difference between 56 and 20 is: 
The difference between 54 and 28 is: 