The difference between 74 and 15 is: 
The difference between 73 and 40 is: 
The difference between 77 and 15 is: 
The difference between 74 and 12 is: 
The difference between 24 and 15 is: 
The difference between 74 and 45 is: 
The difference between 79 and 10 is: 
The difference between 74 and 15 is: 