200 kg of peanut kernels can extract 84 kg of oil, what is the oil yield of peanut kernels?
200千克花生仁可榨油84千克，花生仁的出油率是多少．
<gadget id="calculator">84 / 200</gadget>
<output>21/50 = around 0.42</output>

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

<gadget id="calculator">(21/50) * 1</gadget>
<output>21/50 = around 0.42</output>

<result>21/50 = around 0.42</result>