The difference between 50 and 37 is: 
The difference between 94 and 43 is: 
The difference between 58 and 37 is: 
The difference between 50 and 30 is: 
The difference between 40 and 37 is: 
The difference between 50 and 27 is: 
The difference between 53 and 30 is: 
The difference between 50 and 37 is: 