Xinxing Machine Tool Factory plans to produce a batch of machine tools. If 120 machine tools are produced every day, the task can be completed in 30 days. Due to the improvement of the production process, 30 more units are actually produced every day. How many days can the task be completed?
新星机床厂计划生产一批机床．如果每天生产机床120台，30天可完成任务．由于改进了生产工艺，实际每天多生产30台，多少天可完成任务？
<gadget id="calculator">120 * 30</gadget>
<output>3_600</output>

<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">3_600 / 150</gadget>
<output>24</output>

<result>24</result>