The school bought back 12 sets of children's books, 4 books in each set, and 8 yuan per book. How much was the total cost?
学校买回12套儿童读物，每套4本，每本8元，一共用去多少钱？
<gadget id="calculator">4 * 12 * 8</gadget>
<output>384</output>

<result>384</result>