Hualian Supermarket sold 5 boxes of hot water bags for 660 yuan in one week last winter. If there are 6 hot water bags in each box, how much is the price of a hot water bag?
华联超市去年冬季的一个星期共卖出5箱热水袋，卖了660元．如果每箱有6个热水袋，一个热水袋的价格是多少元？
<gadget id="calculator">660 / 5 / 6</gadget>
<output>22</output>

<result>22</result>