The difference between 69 and 36 is: 
The difference between 88 and 54 is: 
The difference between 67 and 36 is: 
The difference between 69 and 31 is: 
The difference between 79 and 36 is: 
The difference between 69 and 36 is: 
The difference between 70 and 37 is: 
The difference between 69 and 36 is: 