The difference between 65 and 40 is: 
The difference between 88 and 27 is: 
The difference between 68 and 40 is: 
The difference between 65 and 41 is: 
The difference between 95 and 40 is: 
The difference between 65 and 20 is: 
The difference between 70 and 45 is: 
The difference between 65 and 40 is: 