Each pen is 25 yuan, and each notebook is 5 yuan. After Mr. Zhang buys a pen with 60 yuan, how many notebooks can he buy with the remaining money? (column comprehensive formula)
钢笔每支25元，笔记本每本5元，张老师带60元买一支钢笔后，剩下的钱能买几本笔记本？(列综合算式)
<gadget id="calculator">60 - 25</gadget>
<output>35</output>

<gadget id="calculator">35 / 5</gadget>
<output>7</output>

<result>7</result>