The difference between 97 and 38 is: 
The difference between 78 and 34 is: 
The difference between 99 and 38 is: 
The difference between 97 and 30 is: 
The difference between 87 and 38 is: 
The difference between 97 and 88 is: 
The difference between 99 and 30 is: 
The difference between 97 and 38 is: 