30 kg of peanut oil can be extracted from 91.2 kg of peanuts. How many kilograms of peanuts are needed to extract 500 kilograms of peanut oil?
用91.2千克花生可以榨出30千克花生油．现在要榨500千克花生油，需要多少千克花生？
<gadget id="calculator">91.2 / 30</gadget>
<output>3.04</output>

<gadget id="calculator">3.04 * 500</gadget>
<output>1_520</output>

<result>1_520</result>