The difference between 38 and 37 is: 
The difference between 50 and 14 is: 
The difference between 38 and 37 is: 
The difference between 38 and 30 is: 
The difference between 78 and 37 is: 
The difference between 38 and 17 is: 
The difference between 40 and 39 is: 
The difference between 38 and 37 is: 