A workshop needs to process 1,500 parts, which were originally planned to be completed in 25 days. Due to improved technology, the actual processing is 15 more parts per day than originally planned. How many days did it actually take to complete this batch of tasks?
一个车间要加工1500个零件，原计划25天完成，由于改进了技术，实际每天比原计划多加工15个，完成这批任务实际用了多少天？
<gadget id="calculator">1_500 / 25</gadget>
<output>60</output>

<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<gadget id="calculator">1_500 / 75</gadget>
<output>20</output>

<result>20</result>