The difference between 67 and 40 is: 
The difference between 52 and 16 is: 
The difference between 62 and 40 is: 
The difference between 67 and 44 is: 
The difference between 57 and 40 is: 
The difference between 67 and 10 is: 
The difference between 76 and 49 is: 
The difference between 67 and 40 is: 