The Baiyun Cement Plant planned to produce 387.5 tons of cement in 25 days, but due to improved technology, the actual daily production was 9.5 tons more than the original plan. How many days will it actually take to complete the originally planned task?
白云水泥厂计划25天生产387.5吨水泥，由于改进技术，实际每天比原计划多产9.5吨．完成原计划的任务实际需要多少天？
<gadget id="calculator">387.5 / 25</gadget>
<output>15.5</output>

<gadget id="calculator">15.5 + 9.5</gadget>
<output>25</output>

<result>15.5</result>