Common factor because its used more than once so its common
.............idk............
I think if you look it up on the internet you can find it
Large rectangles-2*3*6=36
medium ones 2*2*6=24
small ones 2*2*3=12
surface =72
Honestly it's fun and people need to stop hating on it just because most of the people are toxic and weird. I don't play it, but It's really not worth the hate. People just hate just to hate about it.
Same with ro blox.