The difference between 90 and 78 is: 
The difference between 83 and 11 is: 
The difference between 99 and 78 is: 
The difference between 90 and 70 is: 
The difference between 80 and 78 is: 
The difference between 90 and 78 is: 
The difference between 94 and 72 is: 
The difference between 90 and 78 is: 