The difference between 39 and 36 is: 
The difference between 43 and 22 is: 
The difference between 39 and 36 is: 
The difference between 39 and 37 is: 
The difference between 69 and 36 is: 
The difference between 39 and 16 is: 
The difference between 42 and 39 is: 
The difference between 39 and 36 is: 