The difference between 99 and 23 is: 
The difference between 65 and 41 is: 
The difference between 94 and 23 is: 
The difference between 99 and 25 is: 
The difference between 89 and 23 is: 
The difference between 99 and 73 is: 
The difference between 104 and 28 is: 
The difference between 99 and 23 is: 