Of the 600 saplings, poplars and willows account for the total (2/5), and there are more poplars than willows (2/5), how many poplars are there?
600棵树苗，杨树和柳树占总数的(2/5)，而杨树比柳树多(2/5)，杨树有多少棵？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">600 * (2/5)</gadget>
<output>240</output>

<gadget id="calculator">1 + 1 + (2/5)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">240 / (12/5)</gadget>
<output>100</output>

<gadget id="calculator">240 - 100</gadget>
<output>140</output>

<result>140</result>