If the length of a rectangle is 14 cm and the width is 2 cm, what is the perimeter in cm?
一个长方形的长是14厘米，宽为2厘米，则周长是多少厘米．
<gadget id="calculator">14 + 2</gadget>
<output>16</output>

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

<result>32</result>