The playground is 140 meters long and 60 meters wide. Xiaohua ran 5 laps along the playground, how many kilometers did he run?
操场长140米，宽60米，小华沿操场跑了5圈，跑了多少千米．
<gadget id="calculator">140 + 60</gadget>
<output>200</output>

<gadget id="calculator">200 * 2 * 5</gadget>
<output>2_000</output>

<result>2_000</result>