A workshop assembles a batch of TVs, 50 sets are installed every day, and the task can be completed in 60 days. If the task is completed in 30 days, how many units should be assembled per day? (Solve with ratio)
一个车间装配一批电视，每天装50台，60天可以完成任务．如果30天完成任务，每天应装配多少台？(用比例解)
<gadget id="calculator">50 * 60</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 / 30</gadget>
<output>100</output>

<result>100</result>