Teacher Chen buys prizes for the students. A pen is 1.2 yuan, a notebook is 1.8 yuan, and each of the 24 students in the class gets one. How much should be prepared?
陈老师为同学们购买奖品，一支笔1.2元，一个本子1.8元，全班24名同学每人一份，应准备多少钱？
<gadget id="calculator">1.2 + 1.8</gadget>
<output>3</output>

<gadget id="calculator">3 * 24</gadget>
<output>72</output>

<result>72</result>