The production team produced a batch of parts. The original plan took 14 days to process 1500 parts per day on average. The actual number of parts processed per day was more than the original plan (2/5). How many days did it actually take to complete this batch of processing tasks?
生产小组生产一批零件，原计划用14天，平均每天加工1500个零件，实际每天加工的零件比原计划的多(2/5)．实际用了多少天就完成了这批加工任务？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1_500 * (2/5)</gadget>
<output>600</output>

<gadget id="calculator">1_500 + 600</gadget>
<output>2_100</output>

<gadget id="calculator">14 / 2_100</gadget>
<output>1/150 = around 0.006667</output>

<gadget id="calculator">1_500 * (1/150)</gadget>
<output>10</output>

<result>10</result>