The difference between 50 and 36 is: 
The difference between 73 and 67 is: 
The difference between 59 and 36 is: 
The difference between 50 and 30 is: 
The difference between 60 and 36 is: 
The difference between 50 and 16 is: 
The difference between 59 and 35 is: 
The difference between 50 and 36 is: 