The lengths of two adjacent sides of a parallelogram are 14 cm and 17 cm respectively, what is the perimeter of this parallelogram in cm?
一个平行四边形两条相邻的边长分别是14厘米和17厘米，这个平行四边形的周长是多少厘米？
<gadget id="calculator">14 + 17</gadget>
<output>31</output>

<gadget id="calculator">31 * 2</gadget>
<output>62</output>

<result>62</result>