Uncle Wang fertilizes fruit trees with 250 kilograms per hectare. In a rectangular orchard with a length of 400 meters and a width of 250 meters, how many kilograms of fertilizer should be applied?
王大爷给果树施肥，每公顷施250千克，在一块长400米，宽250米的长方形果园里，应施肥多少千克？
<gadget id="calculator">250 / 10_000</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">400 * (1/40) * 250</gadget>
<output>2_500</output>

<result>2_500</result>