The difference between 78 and 64 is: 
The difference between 82 and 27 is: 
The difference between 77 and 64 is: 
The difference between 78 and 66 is: 
The difference between 78 and 64 is: 
The difference between 78 and 14 is: 
The difference between 82 and 68 is: 
The difference between 78 and 64 is: 