The difference between 68 and 53 is: 
The difference between 96 and 23 is: 
The difference between 67 and 53 is: 
The difference between 68 and 53 is: 
The difference between 68 and 53 is: 
The difference between 68 and 53 is: 
The difference between 71 and 56 is: 
The difference between 68 and 53 is: 