The difference between 40 and 12 is: 
The difference between 80 and 36 is: 
The difference between 45 and 12 is: 
The difference between 40 and 10 is: 
The difference between 50 and 12 is: 
The difference between 40 and 12 is: 
The difference between 48 and 10 is: 
The difference between 40 and 12 is: 