Zhang Yue bought 4 notebooks and spent 12 yuan. Li Li bought 3 notebooks of the same kind. How much did he spend?
张月买了4本笔记本，用了12元钱，李力买了同样的笔记本3本，用了多少钱？
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>