400 kg of peanuts can be used to extract 162 kg of oil, what is the oil yield of peanuts?
用400千克花生可榨油162千克，花生的出油率多少．
<gadget id="calculator">162 / 400</gadget>
<output>81/200 = around 0.405</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(81/200) * 1</gadget>
<output>81/200 = around 0.405</output>

<result>81/200 = around 0.405</result>