Teacher Li bought prizes for the students who won the math competition. He bought 12 pens for 268.8 yuan. How much is each pen?
李老师给参加数学竞赛获奖的同学买奖品，用268.8元买了12枝钢笔，每枝钢笔是多少元．
<gadget id="calculator">268.8 / 12</gadget>
<output>22.4</output>

<result>22.4</result>