(13/100) tons of oil per ton of soybeans, how many tons of oil can be squeezed out of (25/39) tons of soybeans.
每吨黄豆榨油(13/100)吨，(25/39)吨黄豆可以榨油多少吨．
<gadget id="calculator">25 / 39</gadget>
<output>25/39 = around 0.641026</output>

<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">(25/39) * (13/100)</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>