In order to reward students who actively participated in mathematics extracurricular activities, Teacher Li bought 24 prizes of 1.2 yuan and 16 prizes of 2.5 yuan. How much did Mr. Li spend on these two prizes?
为了奖励积极参加数学课外活动的同学，李老师买了24份1.2元的奖品买了16份2.5元的奖品．李老师买这两种奖品一共花去多少钱？
<gadget id="calculator">1.2 * 24</gadget>
<output>28.8</output>

<gadget id="calculator">2.5 * 16</gadget>
<output>40</output>

<gadget id="calculator">28.8 + 40</gadget>
<output>68.8</output>

<result>68.8</result>