The difference between 67 and 55 is: 
The difference between 91 and 32 is: 
The difference between 68 and 55 is: 
The difference between 67 and 50 is: 
The difference between 97 and 55 is: 
The difference between 67 and 55 is: 
The difference between 70 and 58 is: 
The difference between 67 and 55 is: 