The difference between 98 and 20 is: 
The difference between 77 and 73 is: 
The difference between 99 and 20 is: 
The difference between 98 and 25 is: 
The difference between 38 and 20 is: 
The difference between 98 and 20 is: 
The difference between 103 and 25 is: 
The difference between 98 and 20 is: 