The difference between 64 and 37 is: 
The difference between 33 and 21 is: 
The difference between 69 and 37 is: 
The difference between 64 and 32 is: 
The difference between 94 and 37 is: 
The difference between 64 and 37 is: 
The difference between 69 and 32 is: 
The difference between 64 and 37 is: 