A playground is 70 meters long and 24 meters wider than it is wide. What is the perimeter of the playground?
一个操场，长70米，比宽多24米，这个操场的周长是多少．
<gadget id="calculator">70 - 24</gadget>
<output>46</output>

<gadget id="calculator">70 + 46</gadget>
<output>116</output>

<gadget id="calculator">116 * 2</gadget>
<output>232</output>

<result>232</result>