The difference between 71 and 23 is: 
The difference between 92 and 59 is: 
The difference between 76 and 23 is: 
The difference between 71 and 20 is: 
The difference between 61 and 23 is: 
The difference between 71 and 33 is: 
The difference between 78 and 20 is: 
The difference between 71 and 23 is: 