The difference between 72 and 38 is: 
The difference between 48 and 19 is: 
The difference between 79 and 38 is: 
The difference between 72 and 30 is: 
The difference between 42 and 38 is: 
The difference between 72 and 38 is: 
The difference between 77 and 33 is: 
The difference between 72 and 38 is: 