The difference between 55 and 18 is: 
The difference between 97 and 61 is: 
The difference between 59 and 18 is: 
The difference between 55 and 13 is: 
The difference between 95 and 18 is: 
The difference between 55 and 28 is: 
The difference between 58 and 11 is: 
The difference between 55 and 18 is: 