The difference between 36 and 25 is: 
The difference between 58 and 18 is: 
The difference between 37 and 25 is: 
The difference between 36 and 22 is: 
The difference between 56 and 25 is: 
The difference between 36 and 25 is: 
The difference between 40 and 29 is: 
The difference between 36 and 25 is: 