The oil yield of a certain type of rapeseed is 33.6%. How many kilograms of this type of rapeseed are needed to squeeze 168kg of rapeseed oil?
某种油菜籽的出油率为33.6%，要榨168kg菜籽油，需要这种菜籽多少千克？
<gadget id="calculator">33.6 / 100</gadget>
<output>0.336</output>

<gadget id="calculator">168 / 0.336</gadget>
<output>500</output>

<result>500</result>