270 / 3 ( (4 - 3) 3 - (-9) ) - 53 270 / 3 (1 x 3 - (-9) ) - 53 270 / 3 (3 + 9) - 53 270 / 3 x 12 - 53 In PEMDAS, with multiplication and division, you must go left to right, not multiplication then division. 90 x 12 - 53 1080 - 53 1027 is your answer