Li Ming went to the mall to buy colored pens for his classmates. After buying 12 boxes of the same colored pens for 150 yuan, there was still 6 yuan left. How much is each box of colored pens?
李明到商场为同学们买彩色笔，用150元钱买12盒相同的彩色笔后，还剩6元钱，每盒彩色笔多少钱？
<gadget id="calculator">150 - 6</gadget>
<output>144</output>

<gadget id="calculator">144 / 12</gadget>
<output>12</output>

<result>12</result>