If the length, width, and height of a cuboid are 5 cm, 3 cm, and 2 cm respectively, what is the sum of the lengths of all the sides of the cuboid in cm?
一个长方体的长、宽、高分别是5厘米、3厘米、2厘米，这个长方体所有棱长总和是多少厘米．
<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<result>40</result>