Lua doesnt know how to solve the impossible equation?

Golden - Custom level - Jul 21, 2016 from Android
Play Edit 6 players liked this.

The equation is 0 divided by 0 in lua, outcome is nan... which means lua didn't know...

Spoiler, seriously, this will fuck up ur brain

So supposedly 0 divided by 0 would be 1, or 0?

Downloads: 94 - Level ID: 22783