The difference between 81 and 62 is: 
The difference between 72 and 64 is: 
The difference between 84 and 62 is: 
The difference between 81 and 60 is: 
The difference between 71 and 62 is: 
The difference between 81 and 32 is: 
The difference between 89 and 60 is: 
The difference between 81 and 62 is: 