The difference between 78 and 30 is: 
The difference between 80 and 65 is: 
The difference between 74 and 30 is: 
The difference between 78 and 32 is: 
The difference between 58 and 30 is: 
The difference between 78 and 30 is: 
The difference between 85 and 37 is: 
The difference between 78 and 30 is: 