The difference between 73 and 70 is: 
The difference between 79 and 15 is: 
The difference between 76 and 70 is: 
The difference between 73 and 72 is: 
The difference between 83 and 70 is: 
The difference between 73 and 40 is: 
The difference between 80 and 77 is: 
The difference between 73 and 70 is: 