A company processes a batch of parts for the "Shenzhou 9" spacecraft. It originally planned to process 8 parts per day and complete the task in 30 days, but actually made 36 parts in 3 days. At this speed, how many days will it take to complete the task? (Answer with proportional knowledge)
某公司为"神州"九号飞船加工一批零件，原计划每天加工8个，30天完成任务，实际3天做了36个，照这样的速度加工，完成任务还需要多少天？(用比例知识解答)
<gadget id="calculator">8 * 30</gadget>
<output>240</output>

<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<gadget id="calculator">240 / 12</gadget>
<output>20</output>

<gadget id="calculator">20 - 3</gadget>
<output>17</output>

<result>17</result>