A rectangular flower bed is 14 meters wide and twice as long as it is wide. If Xiao Ming walked 3 times along the flower bed, how many meters did Xiao Ming walk in total?
一个长方形的花坛宽14米，长是宽的2倍．如果小明沿着花坛走3圈，小明一共走了多少米？
<gadget id="calculator">14 * 2</gadget>
<output>28</output>

<gadget id="calculator">14 + 28</gadget>
<output>42</output>

<gadget id="calculator">42 * 2</gadget>
<output>84</output>

<gadget id="calculator">84 * 3</gadget>
<output>252</output>

<result>252</result>