The difference between 86 and 78 is: 
The difference between 26 and 23 is: 
The difference between 89 and 78 is: 
The difference between 86 and 75 is: 
The difference between 86 and 78 is: 
The difference between 86 and 18 is: 
The difference between 89 and 71 is: 
The difference between 86 and 78 is: 