The difference between 69 and 15 is: 
The difference between 97 and 94 is: 
The difference between 66 and 15 is: 
The difference between 69 and 13 is: 
The difference between 89 and 15 is: 
The difference between 69 and 25 is: 
The difference between 73 and 19 is: 
The difference between 69 and 15 is: 