How old are you? 6 ÷ 2 X (2+1) = ?

[TommyGunn]

As a thread drift .... I find I cannot determine my age using the formula provided in the thread title. 
What am I doing wrong?   

[French G.]

As a thread drift .... I find I cannot determine my age using the formula provided in the thread title. 
What am I doing wrong?   

It's mental age, you're doing fine.

[TommyGunn]

It's mental age, you're doing fine.

Yeaaaay!   

[230RN]

As a thread drift .... I find I cannot determine my age using the formula provided in the thread title. 
What am I doing wrong?   

Me, in a previous post on the matter of "How Old Are You?":

In fact, the author of my posted link  (OP) mentions that a great many pro/con comments have been made on social media, and somewhere in that link he refers to the "old" methods, which is why I set it up as a "how old are you" premise.

Quite whimsical, or course.  I seemed to recall that back in High School (1950) we were taught to attack the parentheses first.   But I guess not.  It's been a while.

So, despite the Rule-Making, apparently there still seems to be a bit of a residual conflict as to how to approach problems like that.

Terry