During the party, the teacher bought 18 prizes for 2.4 yuan and 38 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38份，老师一共花了多少钱？
<gadget id="calculator">18 * 2.4</gadget>
<output>43.2</output>

<gadget id="calculator">38 * 1.8</gadget>
<output>68.4</output>

<gadget id="calculator">43.2 + 68.4</gadget>
<output>111.6</output>

<result>111.6</result>