The oil yield of peanuts is about 40%, how many tons of oil can be extracted from 6 tons of peanuts.
花生的出油率约为40%，6吨花生可以榨油多少吨．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">6 * (2/5)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>