Kindergarten teacher Li bought 6 boxes of watercolor pens for a total of 78 yuan. How much is an average box of watercolor pens?
幼儿园李老师买6盒水彩笔共花78元．平均每盒水彩笔多少元？
<gadget id="calculator">78 / 6</gadget>
<output>13</output>

<result>13</result>