The difference between 98 and 63 is: 
The difference between 60 and 37 is: 
The difference between 98 and 63 is: 
The difference between 98 and 61 is: 
The difference between 78 and 63 is: 
The difference between 98 and 43 is: 
The difference between 102 and 67 is: 
The difference between 98 and 63 is: 