I also think there is 23cm2 spaces in the first picture because the thought process goes a little something like this i counted the spaces and if there were any stragglers i add them up and got twenty three.
8 meters squared
because if you need to put something inside of it you need to know how much will fit for example if you need a toolbox for tools to work on your you will need a big enough toolbox to fit all of your tools into.
