400 kg of soybeans can produce 52 kg of soybean oil. What is the oil yield of soybeans?
400千克黄豆可榨出52千克豆油，黄豆的出油率是多少？
<gadget id="calculator">52 / 400</gadget>
<output>13/100 = around 0.13</output>

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

<gadget id="calculator">(13/100) * 1</gadget>
<output>13/100 = around 0.13</output>

<result>13/100 = around 0.13</result>