The difference between 81 and 38 is: 
The difference between 95 and 42 is: 
The difference between 89 and 38 is: 
The difference between 81 and 30 is: 
The difference between 81 and 38 is: 
The difference between 81 and 38 is: 
The difference between 89 and 36 is: 
The difference between 81 and 38 is: 