The oil yield of a certain rapeseed is 37.5%. How many kilograms of rapeseed are needed to extract 150 kilograms of oil?
某种菜籽的出油率是37.5%．要想榨油150千克，需用菜籽多少千克．
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">150 / 0.375</gadget>
<output>400</output>

<result>400</result>