A chemical fertilizer plant has completed (3/5) of the annual plan in the first half of the year. According to this calculation, how many months can the task be completed in advance?
一个化肥厂上半年完成了全年计划的(3/5)，照这样计算，可以提前几个月完成任务？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">6 / (3/5)</gadget>
<output>10</output>

<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<result>2</result>