The difference between 78 and 27 is: 
The difference between 70 and 35 is: 
The difference between 79 and 27 is: 
The difference between 78 and 21 is: 
The difference between 38 and 27 is: 
The difference between 78 and 17 is: 
The difference between 80 and 29 is: 
The difference between 78 and 27 is: 