Uncle Li puts every 2 cabbages into a small bag, and every 5 small bags into a big bag. Uncle Li has collected 300 cabbages, how many big bags can be filled?
李大爷把每2棵白菜装一小袋，每5小袋装一大袋，李大爷收了300棵白菜，可以装几大袋？
<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<gadget id="calculator">300 / 10</gadget>
<output>30</output>

<result>30</result>