A rectangular piece of land has an area of 16 hectares and a width of 200 meters. What is the length in meters?
一块长方形土地，面积是16公顷，宽是200米，长是多少米？
<gadget id="calculator">16 * 10_000</gadget>
<output>160_000</output>

<gadget id="calculator">160_000 / 200</gadget>
<output>800</output>

<result>800</result>