38 kg of peanut oil can be extracted from 100 kg of peanut kernels. What is the oil yield of this batch of peanut kernels?
用100千克花生仁可以榨出38千克花生油，这批花生仁的出油率是多少．
<gadget id="calculator">38 / 100</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>