The difference between 83 and 64 is: 
The difference between 23 and 12 is: 
The difference between 87 and 64 is: 
The difference between 83 and 62 is: 
The difference between 73 and 64 is: 
The difference between 83 and 74 is: 
The difference between 89 and 60 is: 
The difference between 83 and 64 is: 