For a copybook, Xiaohong practiced 3 pages a day and finished it in 8 days. Xiaogang practices 4 pages a day, how many days can he finish it?
一本字帖，小红每天练3页，8天练完．小刚每天练4页，几天能练完？
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>