The oil yield of a kind of rapeseed is 35%, if you want to squeeze 700 kg of oil, how many kilograms of this kind of rapeseed is needed.
一种菜籽的出油率为35%，如果要榨700千克油，需要这种菜籽多少千克．
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">700 / (7/20)</gadget>
<output>2_000</output>

<result>2_000</result>