The oil yield of peanuts is 27%, and 540 kg of oil is extracted. How many tons of peanuts are needed?
花生的出油率是27%，榨油540千克，需要花生多少吨？
<gadget id="calculator">27 / 100</gadget>
<output>27/100 = around 0.27</output>

<gadget id="calculator">540 / (27/100) / 1_000</gadget>
<output>2</output>

<result>2</result>