An oil mill extracts 190 kg of peanut oil from 500 kg of peanut kernels, what is the oil yield?
榨油厂用500千克花生仁榨出190千克花生油，出油率是多少．
<gadget id="calculator">190 / 500</gadget>
<output>19/50 = around 0.38</output>

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

<gadget id="calculator">(19/50) * 1</gadget>
<output>19/50 = around 0.38</output>

<result>19/50 = around 0.38</result>