Find the surface area of the figure shown. The trapezoid surface has edges of 9cm, 12cm and 5cm. The height is 3 cm.

Give your answer to the nearest two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: Find the surface area of the figure shown. The trapezoid surface has edges of 9cm, 12cm and 5cm. The height is 3 cm.

Give your answer to the nearest two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: Find the surface area of the figure shown. The trapezoid surface has edges of 9cm, 12cm and 5cm. The height is 3 cm.

Give your answer to the nearest two decimal places.