There is a rectangular lotus pond in the park, which is 14 meters long and 6 meters wide. Xiaolan walked around the lotus pond twice, how many meters did she walk?
公园里有一个长方形荷花池，它的长是14米，宽6米．小兰沿着这个荷花池走上两圈，她走了多少米．
<gadget id="calculator">14 + 6</gadget>
<output>20</output>

<gadget id="calculator">20 * 2 * 2</gadget>
<output>80</output>

<result>80</result>