Question

Find the value of 4 + (27 - 12·2) ÷ 2.

Answer 1

do parenthesis first
then do division, then addition

Answer 2

12*2 = 24

Answer 3

It is always good to remember My Dear Aunt Sally..

Frankly I don't think I would ever name a girl Sally.. That's just a bad name, but in any case,

My Dear Aunt Sally ==easy mode==> Multiply, Divide, Addition, Subtraction.

When using (..) , treat what is inside as a "mini problem" that you have to do first with the same My Dear Aunt Sally per mini problem..