A rectangular pasture covering an area of 12 hectares is 200 meters wide. What is the length of the pasture?
一个占地12公顷的长方形牧场，宽是200米，这个牧场的长是多少米？
<gadget id="calculator">12 * 10_000</gadget>
<output>120_000</output>

<gadget id="calculator">120_000 / 200</gadget>
<output>600</output>

<result>600</result>