@freemo It took me a couple of minutes to figure out what is going on; if you were pulling my leg, what the different math notations were, if I have become old and stale and then it dawned on me that not all math notations were in the line #3 but continued until the hashtag.

tl;dr: yes

@sacha Part of the joke though is that 5 is the answer many people would get who dont know order of operations. So it seems like a plausible wrong answer, which makes it easier to not think past that and to just assume the OP doesnt know their order of operations.

@freemo I made the mistake about the placement of the exclamation mark for factorials. ( I until 5 minutes ago) had the notion that its before the value that needs some tlc.

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