The difference between 97 and 30 is: 
The difference between 67 and 18 is: 
The difference between 92 and 30 is: 
The difference between 97 and 34 is: 
The difference between 97 and 30 is: 
The difference between 97 and 80 is: 
The difference between 102 and 35 is: 
The difference between 97 and 30 is: 