A piece of parallelogram land has an area of 4.8 hectares. It is known that its base is 1600 meters long and its height is in meters.
一块平行四边形的地，面积是4.8公顷，已知它的底长1600米，高是多少米．
<gadget id="calculator">4.8 * 10_000</gadget>
<output>48_000</output>

<gadget id="calculator">48_000 / 1_600</gadget>
<output>30</output>

<result>30</result>