The difference between 90 and 27 is: 
The difference between 80 and 55 is: 
The difference between 99 and 27 is: 
The difference between 90 and 20 is: 
The difference between 30 and 27 is: 
The difference between 90 and 37 is: 
The difference between 95 and 22 is: 
The difference between 90 and 27 is: 