The difference between 74 and 27 is: 
The difference between 57 and 38 is: 
The difference between 78 and 27 is: 
The difference between 74 and 20 is: 
The difference between 94 and 27 is: 
The difference between 74 and 47 is: 
The difference between 78 and 21 is: 
The difference between 74 and 27 is: 