Bus No. 1 and No. 2 depart from the starting station at 6 am at the same time. Route 1 sends a car every 5 minutes, and Route 2 sends a car every 4 minutes. What time did the two cars depart at the same time for the second time? 5:00 p.m. is the departure time of the last train of these two routes. How many times will the two routes depart at the same time this day?
1路和2路公共汽车早上6点同时从起始站发车．1路车每5分钟发一辆车，2路车每4分钟发一辆车．这两路车第二次同时发车是几点？下午5时恰是这两路车的末班车发车时间，这一天两路车一共同时发车几次？
<gadget id="calculator">360 + 300</gadget>
<output>660</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">660 / 20</gadget>
<output>33</output>

<gadget id="calculator">33 + 1</gadget>
<output>34</output>

<result>34</result>