The difference between 91 and 37 is: 
The difference between 76 and 11 is: 
The difference between 98 and 37 is: 
The difference between 91 and 30 is: 
The difference between 71 and 37 is: 
The difference between 91 and 67 is: 
The difference between 98 and 34 is: 
The difference between 91 and 37 is: 