The unit price of a storybook is 12.8 yuan, and the unit price of a comic book is 7.45 yuan. Xiao Ming bought 3 storybooks and 2 comic books, how much did he spend in total?
一本故事书的单价为12.8元，一本连环画的单价为7.45元，小明买了3本故事书和2本连环画，一共用去多少元？
<gadget id="calculator">12.8 * 3</gadget>
<output>38.4</output>

<gadget id="calculator">7.45 * 2</gadget>
<output>14.9</output>

<gadget id="calculator">38.4 + 14.9</gadget>
<output>53.3</output>

<result>53.3</result>