The difference between 88 and 23 is: 
The difference between 70 and 15 is: 
The difference between 87 and 23 is: 
The difference between 88 and 20 is: 
The difference between 78 and 23 is: 
The difference between 88 and 13 is: 
The difference between 91 and 26 is: 
The difference between 88 and 23 is: 