The factory plans to produce 40 machines per day, and a batch of tasks can be completed in 30 days, but actually produces 48 machines per day. How many days does it actually take to complete this batch of tasks? (Solve with ratio)
工厂计划每天生产40台机器，30天可完成一批任务，实际每天生产48台，完成这批任务实际需要多少天？(用比例解)
<gadget id="calculator">40 * 30</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 48</gadget>
<output>25</output>

<result>25</result>