Divide the bottom surface of a cylinder into several fan shapes, cut along the height and assemble it into an approximate cuboid. The circumference of the bottom of this cuboid is 41.4 cm, and the height is 5 cm. What is the surface area of this cuboid?
把一个圆柱底面平均分成若干个扇形，沿高切开拼成一个近似长方体，这个长方体的底面周长是41.4厘米，高是5厘米，这个长方体的表面积是多少？
<gadget id="calculator">3.14 * 5 * 5</gadget>
<output>78.5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">78.5 + 25 + 78.5</gadget>
<output>182</output>

<gadget id="calculator">182 * 2</gadget>
<output>364</output>

<result>364</result>