If a wire is used to form a rectangle with a length of 10 cm and a width of 6 cm, what is the length of the wire in cm?
用一根铁丝围成一个长10厘米，宽6厘米的长方形，那么这根铁丝的长多少厘米．
<gadget id="calculator">10 + 6</gadget>
<output>16</output>

<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<result>32</result>