The difference between 80 and 63 is: 
The difference between 99 and 25 is: 
The difference between 84 and 63 is: 
The difference between 80 and 60 is: 
The difference between 70 and 63 is: 
The difference between 80 and 63 is: 
The difference between 89 and 62 is: 
The difference between 80 and 63 is: 