Teacher Mu bought prizes for polite students, and bought 12 pens for 148.8 yuan. How much is each pen?
穆老师给有礼貌同学买奖品，用148.8元买了12枝钢笔，每枝钢笔是多少元．
<gadget id="calculator">148.8 / 12</gadget>
<output>12.4</output>

<result>12.4</result>