The difference between 78 and 14 is: 
The difference between 87 and 31 is: 
The difference between 77 and 14 is: 
The difference between 78 and 14 is: 
The difference between 28 and 14 is: 
The difference between 78 and 14 is: 
The difference between 81 and 17 is: 
The difference between 78 and 14 is: 