The teacher bought 2 story books and 2 science books for each student in the class. Each story book is 7.3 yuan, and each science book is 4.7 yuan. The whole class spent a total of 576 yuan. Do you know how many people there are in the class?
老师为全班每位同学买了2本故事书，2本科技书．故事书每本7.3元，科技书每本4.7元，全班共花了576元，你知道全班共有多少人吗？
<gadget id="calculator">4.7 * 2</gadget>
<output>9.4</output>

<gadget id="calculator">7.3 * 2</gadget>
<output>14.6</output>

<gadget id="calculator">9.4 + 14.6</gadget>
<output>24</output>

<gadget id="calculator">576 / 24</gadget>
<output>24</output>

<result>24</result>