The difference between 79 and 68 is: 
The difference between 61 and 53 is: 
The difference between 79 and 68 is: 
The difference between 79 and 64 is: 
The difference between 79 and 68 is: 
The difference between 79 and 48 is: 
The difference between 80 and 69 is: 
The difference between 79 and 68 is: 