During the party, the teacher bought 18 prizes for 2.4 yuan and 25 prizes for 1.8 yuan. How much did the teacher spend in total?
联欢会时老师买奖品，2.4元的奖品买了18份，1.8元的奖品买了25份，老师一共花了多少钱？
<gadget id="calculator">2.4 * 18</gadget>
<output>43.2</output>

<gadget id="calculator">1.8 * 25</gadget>
<output>45</output>

<gadget id="calculator">43.2 + 45</gadget>
<output>88.2</output>

<result>88.2</result>