The difference between 29 and 16 is: 
The difference between 87 and 22 is: 
The difference between 29 and 16 is: 
The difference between 29 and 16 is: 
The difference between 79 and 16 is: 
The difference between 29 and 16 is: 
The difference between 32 and 19 is: 
The difference between 29 and 16 is: 