So, I looked back the code that I made for the midterm, sensor tag easter egg.
I looked through the noble and sensor tag library to get the last piece of information, the decimal.
I tried to use scan example and it did not work out.
So, I kept searching on the noble library, trying
All the possible attribute terms to get the decimal(point).
And after trying codes from https://github.com/sandeepmistry/noble/wiki/Getting-started
it could get decimal value, 18,12,10.
Now I can play the game basically plug in the valuse what I am scanning to the server.