The difference between 74 and 21 is: 
The difference between 56 and 29 is: 
The difference between 72 and 21 is: 
The difference between 74 and 22 is: 
The difference between 44 and 21 is: 
The difference between 74 and 61 is: 
The difference between 80 and 27 is: 
The difference between 74 and 21 is: 