The department store sold 4 boxes of thermos bottles, each with 8 boxes, for a total of 320 yuan. How much is the price of each thermos bottle?
百货商店卖出4箱暖瓶，每箱8个，一共卖了320元．每个暖瓶的价钱是多少元？
<gadget id="calculator">320 / 4 / 8</gadget>
<output>10</output>

<result>10</result>