>>1533359>The answer is 9, no doubt.https://en.wikipedia.org/wiki/Order_of_operationsctrl-f "left"
Nope. There's lots about exponents l2r vs r2l, different calculators, different programming languages, but NOTHING about OP's issue.
And face it. If there _were_ a clear answer, we'd be "debating" some other nonsense.