The production team processed a batch of parts, which was originally planned to be completed in 20 days, with an average of 1,600 parts processed per day. Actually process 2,000 pieces per day, how many days did it actually take to complete the processing task? (Answer with the knowledge of proportion)
生产小组加工一批零件，原计划20天完成，平均每天加工1600个零件．实际每天加工2000个，实际用了多少天就完成了加工任务？(用比例的知识解答)
<gadget id="calculator">1_600 * 20</gadget>
<output>32_000</output>

<gadget id="calculator">32_000 / 2_000</gadget>
<output>16</output>

<result>16</result>