The difference between 66 and 27 is: 
The difference between 71 and 43 is: 
The difference between 69 and 27 is: 
The difference between 66 and 21 is: 
The difference between 86 and 27 is: 
The difference between 66 and 57 is: 
The difference between 69 and 20 is: 
The difference between 66 and 27 is: 