The fruit store shipped 420 kilograms of strawberries, and the waiter put these strawberries in fresh-keeping bags, each 2 kilograms, and 6 bags into a box. How many boxes should be packed in total?
水果店运来420千克草莓，服务员把这些草莓用保鲜袋每2千克装一袋，6袋装一箱，一共要装多少箱？
<gadget id="calculator">420 / 2 / 6</gadget>
<output>35</output>

<result>35</result>