The difference between 97 and 68 is: 
The difference between 78 and 47 is: 
The difference between 99 and 68 is: 
The difference between 97 and 65 is: 
The difference between 97 and 68 is: 
The difference between 97 and 38 is: 
The difference between 99 and 60 is: 
The difference between 97 and 68 is: 