Uncle Wang planted fruit trees on a parallelogram-shaped hillside. The ground is 250 meters high and the height is 160 meters. One fruit tree is planted every 4 square meters. How many fruit trees can be planted in this land?
王大伯在一块平行四边形的山坡上种果树．这块地底是250米，高是160米，每4平方米种一棵果树，这块地共能种植多少棵果树？
<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<gadget id="calculator">250 * 40</gadget>
<output>10_000</output>

<result>10_000</result>