The oil yield of peanuts is 42%, so how many kilograms of peanut oil can be extracted from 200 kilograms of peanuts?
花生的出油率是42%，那么200千克花生可以榨多少千克花生油．
<gadget id="calculator">42 / 100</gadget>
<output>21/50 = around 0.42</output>

<gadget id="calculator">200 * (21/50)</gadget>
<output>84</output>

<result>84</result>