Yongfeng Chemical Fertilizer Factory needs to produce a batch of chemical fertilizers. It plans to produce 450 tons per day, and the task can be completed in 24 days. Due to improved technology. Improve work efficiency. The average daily production is 150 tons more than the original plan. How many days did it actually take to complete the task?
永丰化肥厂要生产一批化肥，计划每天生产450吨，24天可以完成任务．由于改进技术．提高了工作效率．平均每天比原计划多生产150吨．实际几天完成任务？
<gadget id="calculator">450 * 24</gadget>
<output>10_800</output>

<gadget id="calculator">450 + 150</gadget>
<output>600</output>

<gadget id="calculator">10_800 / 600</gadget>
<output>18</output>

<result>18</result>