If 120 pieces are produced every day and the task is completed in 45 days, the actual daily production will be 30 pieces more. How many days does it actually take for a garment factory to produce a batch of garments?
如果每天生产120件，45天完成任务，实际每天多生产30件．服装厂生产一批服装实际多少天完成？
<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">30 / 150</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 * (1/5)</gadget>
<output>24</output>

<result>24</result>