The difference between 98 and 55 is: 
The difference between 42 and 21 is: 
The difference between 97 and 55 is: 
The difference between 98 and 52 is: 
The difference between 88 and 55 is: 
The difference between 98 and 55 is: 
The difference between 100 and 57 is: 
The difference between 98 and 55 is: 