The difference between 36 and 19 is: 
The difference between 25 and 11 is: 
The difference between 39 and 19 is: 
The difference between 36 and 15 is: 
The difference between 26 and 19 is: 
The difference between 36 and 19 is: 
The difference between 39 and 12 is: 
The difference between 36 and 19 is: 