There is a rectangular rice field with a length of 900 meters and a width of 200 meters. A total of 97,200 kilograms of rice is harvested. On average, how many kilograms of rice are harvested per hectare?
有块长方形稻田，长900米，宽200米，共收水稻97200千克，平均每公顷收水稻多少千克？
<gadget id="calculator">200 / 10_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">900 * (1/50)</gadget>
<output>18</output>

<gadget id="calculator">97_200 / 18</gadget>
<output>5_400</output>

<result>5_400</result>