The difference between 36 and 23 is: 
The difference between 76 and 63 is: 
The difference between 39 and 23 is: 
The difference between 36 and 23 is: 
The difference between 56 and 23 is: 
The difference between 36 and 23 is: 
The difference between 41 and 28 is: 
The difference between 36 and 23 is: 