use "pemdas"(parenthesis;exponents;multiplication and division:left to right; add and subtract:left to right;)
-12 divided by 3 times (-8+(-4) .2.-6)+2
(-12 divided by 3) times -12(.2.-6 +2)
(4 "times" -12)(.2.-6 +2)
(4 times -12) (.2.-6+2)
48 times 10
58