The oil yield of peanuts is 45%. How many kilograms of peanuts are needed to extract 450 kilograms of peanut oil?
花生的出油率是45%，要榨出450千克的花生油，需要多少千克花生？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">450 / (9/20)</gadget>
<output>1_000</output>

<result>1_000</result>