The length, width, and height of a cuboid are 10 cm, 5 cm, and 8 cm, respectively. What is the surface area of this cuboid in square centimetres.
一个长方体的长、宽、高分别是10厘米、5厘米、8厘米．这个长方体的表面积是多少平方厘米．
<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">50 + 80 + 40</gadget>
<output>170</output>

<gadget id="calculator">170 * 2</gadget>
<output>340</output>

<result>340</result>