The difference between 54 and 40 is: 
The difference between 34 and 13 is: 
The difference between 54 and 40 is: 
The difference between 54 and 43 is: 
The difference between 94 and 40 is: 
The difference between 54 and 10 is: 
The difference between 61 and 47 is: 
The difference between 54 and 40 is: 