The difference between 70 and 64 is: 
The difference between 77 and 28 is: 
The difference between 79 and 64 is: 
The difference between 70 and 60 is: 
The difference between 90 and 64 is: 
The difference between 70 and 14 is: 
The difference between 78 and 62 is: 
The difference between 70 and 64 is: 