The oil yield of a certain kind of peanut is 40%. How many kilograms of this kind of peanut are needed to extract 600 kilograms of peanut oil?
某种花生的出油率是40%，要想榨600千克的花生油，需要这种花生多少千克？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">600 / (2/5)</gadget>
<output>1_500</output>

<result>1_500</result>