fish pond in the shape of a parallelogram covers an area of 0.64 hectares. The bottom of this fish pond is 160 meters long, what is its height in meters?
一个平行四边形形状的鱼池，占地面积是0.64公顷．这个鱼池的底边长160米，它的高是多少米？
<gadget id="calculator">0.64 * 10_000</gadget>
<output>6_400</output>

<gadget id="calculator">6_400 / 160</gadget>
<output>40</output>

<result>40</result>