The difference between 74 and 30 is: 
The difference between 39 and 15 is: 
The difference between 71 and 30 is: 
The difference between 74 and 32 is: 
The difference between 54 and 30 is: 
The difference between 74 and 10 is: 
The difference between 80 and 36 is: 
The difference between 74 and 30 is: 