The difference between 71 and 36 is: 
The difference between 78 and 31 is: 
The difference between 79 and 36 is: 
The difference between 71 and 30 is: 
The difference between 91 and 36 is: 
The difference between 71 and 26 is: 
The difference between 79 and 34 is: 
The difference between 71 and 36 is: 