<image> As shown in the figure, Master Li uses a rectangular iron block with a length of 6 cm, a width of 1 cm, and a height of 3 cm to process a type of part. A cube is cut from both the left and right sides of the rectangular block.
(1) If the exterior of this part is coated with anti-rust paint, what is the painted area in square centimeters?
(2) If each cubic centimeter of iron weighs 7.8 grams, how much does this part weigh in grams?