The difference between 94 and 78 is: 
The difference between 53 and 50 is: 
The difference between 99 and 78 is: 
The difference between 94 and 71 is: 
The difference between 84 and 78 is: 
The difference between 94 and 58 is: 
The difference between 98 and 72 is: 
The difference between 94 and 78 is: 