The difference between 97 and 51 is: 
The difference between 73 and 37 is: 
The difference between 98 and 51 is: 
The difference between 97 and 54 is: 
The difference between 87 and 51 is: 
The difference between 97 and 41 is: 
The difference between 104 and 58 is: 
The difference between 97 and 51 is: 