For the love of God. There is only one problem here and it is not a paradox nor is it about juxtaposition.... The only issue here is the left to right rule, a complete violation of mathematical notation we force on kids in 5th grade which DISAPPEARS in 8th grade never to be used again. The whole confusion results from this crazy rule which should never exist in the first place (parentheses! Parentheses! Never ambiguity). It is stuck in a netherworld of half consciousness, in other words some people remember left to right rule and some don't. The only problem here is our math education system which is terribly flawed.
You can see all the details on my website:
why everyone hates math. com