190 kg of peanut oil can be extracted from 500 kg of peanuts. What is the oil yield of peanuts?
用500千克花生可榨出花生油190千克，花生的出油率是多少？
<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>