The automobile factory plans to assemble a batch of cars. It plans to assemble 120 cars per day, and the assembly will be completed in 25 days. It is actually completed 5 days ahead of schedule. How many cars are actually assembled per day on average? (Solve with ratio)
汽车厂计划组装一批汽车，计划每天组装120辆，25天组完，实际提前5天完成，实际平均每天组装汽车多少辆？(用比例解)
<gadget id="calculator">120 * 25</gadget>
<output>3_000</output>

<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">3_000 / 20</gadget>
<output>150</output>

<result>150</result>