The difference between 78 and 36 is: 
The difference between 69 and 44 is: 
The difference between 77 and 36 is: 
The difference between 78 and 37 is: 
The difference between 68 and 36 is: 
The difference between 78 and 46 is: 
The difference between 81 and 39 is: 
The difference between 78 and 36 is: 