5(8x(5(400-200(2+2))x5(5-2))) = -1200000.0
5(8x(5(400-200(2+2)))) // = -80000.0
5(8x(5(400-200(2+2))x5(5-2)รท4)) = -300000
5x(8x(5x(400-200x(2+2)2)80)(7+7(5))90(5+5)) // = -7.2576e11
5x(8x(5x(400-200x(2+2)2)80)(7+7(5))90(5+5)5x(8x(5x((5(8x(5(400-200(2+2))x5(5-2))))400-200x(2+2)2)80)(7+7(5))90(5+5))) = 2.106917333434368E29