If 20 kg of peanut oil can be extracted from 100 kg of peanuts, how many kg of peanut oil can be extracted from each kg of peanuts?
用100千克花生可以榨出20千克花生油，那么每千克花生可以榨出多少千克花生油．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>