The difference between 98 and 57 is: 
The difference between 99 and 37 is: 
The difference between 99 and 57 is: 
The difference between 98 and 55 is: 
The difference between 98 and 57 is: 
The difference between 98 and 37 is: 
The difference between 100 and 59 is: 
The difference between 98 and 57 is: 