The difference between 72 and 27 is: 
The difference between 75 and 63 is: 
The difference between 79 and 27 is: 
The difference between 72 and 20 is: 
The difference between 32 and 27 is: 
The difference between 72 and 57 is: 
The difference between 78 and 23 is: 
The difference between 72 and 27 is: 