500 kg of soybeans can extract 180 kg of oil. What is the oil yield of soybeans?
500千克大豆可榨油180千克，大豆的出油率是多少？
<gadget id="calculator">180 / 500</gadget>
<output>9/25 = around 0.36</output>

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

<gadget id="calculator">(9/25) * 1</gadget>
<output>9/25 = around 0.36</output>

<result>9/25 = around 0.36</result>