The difference between 67 and 36 is: 
The difference between 80 and 19 is: 
The difference between 68 and 36 is: 
The difference between 67 and 33 is: 
The difference between 47 and 36 is: 
The difference between 67 and 16 is: 
The difference between 70 and 39 is: 
The difference between 67 and 36 is: 