The difference between 78 and 56 is: 
The difference between 52 and 11 is: 
The difference between 79 and 56 is: 
The difference between 78 and 53 is: 
The difference between 78 and 56 is: 
The difference between 78 and 36 is: 
The difference between 81 and 59 is: 
The difference between 78 and 56 is: 