Apply 230 kg of chemical fertilizer per hectare to a square paddy field with a side length of 200 meters. How many kilograms of fertilizer should be applied?
给一块边长200米的正方形水稻田施化肥，每公顷施230千克．应施化肥多少千克？
<gadget id="calculator">200 / 10_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">200 * (1/50) * 230</gadget>
<output>920</output>

<result>920</result>