The area of a parallelogram orchard is about 4 hectares, its base is 800 meters, how many meters is its height?
一个平行四边形果园的面积大约是4公顷，它的底是800米，高是多少米？
<gadget id="calculator">4 * 10_000</gadget>
<output>40_000</output>

<gadget id="calculator">40_000 / 800</gadget>
<output>50</output>

<result>50</result>