A newly built expressway is 6000 meters long and 30 meters wide. So how many hectares does this road cover?
一条新建的高速公路，长6000米，宽30米．那么这条公路占地多少公顷？
<gadget id="calculator">6_000 * 30</gadget>
<output>180_000</output>

<gadget id="calculator">180_000 / 10_000</gadget>
<output>18</output>

<result>18</result>