Use 4000 kg of soybeans to extract 1440 kg of soybean oil, find the oil yield of soybeans.
用4000千克大豆榨豆油1440千克，求大豆的出油率．
<gadget id="calculator">1_440 / 4_000</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>