The shape of an orchard is a parallelogram with a base length of 250 meters and a height of 200 meters. If 100 fruit trees can be planted per hectare, how many fruit trees can be planted in this orchard?
一个果园的形状是平行四边形，底边长250米，高200米，如果每公顷可栽果树100棵，这个果园可栽果树多少棵？
<gadget id="calculator">200 / 10_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">100 * 250 * (1/50)</gadget>
<output>500</output>

<result>500</result>