A parallelogram rice field has a base length of 320 meters and a height of 100 meters. The total harvested rice is 19,700 kilograms. How many kilograms of rice are harvested per hectare on average?
一块平行四边形稻田，底长320米，高100米，共收稻谷19700千克，平均每公顷收稻谷多少千克？
<gadget id="calculator">100 / 10_000</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">320 * (1/100)</gadget>
<output>16/5 = around 3.2</output>

<gadget id="calculator">19_700 / (16/5)</gadget>
<output>24_625/4 = around 6_156.25</output>

<result>24_625/4 = around 6_156.25</result>