In September, Uncle Zhang’s Internet fee is 72 yuan. If the hourly Internet fee is 1.2 yuan, do the math, how long does Uncle Zhang’s family surf the Internet on average every day in September?
张叔叔家9月份上网费是72元，如果每小时上网费为1.2元，算一算，9月份张叔叔家平均每天上网多长时间？
<gadget id="calculator">72 / 1.2 / 30</gadget>
<output>2</output>

<result>2</result>