Order of operations :)
Perenthesis, Exponent, Multiply/Divide, Add/Subtract
so-
8 + 8 - 2 * (4 + 2 * 3)
16 - 2 * (4 + 2 * 3)
14 * (4 + 2 * 3)
14 * (4 + 6)
14 * 10
140
using the * notation is usually what will mess me up, so I always write things out using parenthesis instead...