Teacher Wang bought a notebook for 78 yuan, and each notebook was 6.5 yuan. How many notebooks did Mr. Wang buy? (column equation solution)
王老师买笔记本共用去78元，每本笔记本6.5元．王老师买了几本笔记本？(列方程解答)
<gadget id="calculator">78 / 6.5</gadget>
<output>12</output>

<result>12</result>