Xiaohong bought 4 Chinese exercise books, and 3 more math exercise books than Chinese exercise books, how many math exercise books did she buy?
小红买了4本语文练习本，数学练习本比语文练习本的2倍还多3本，数学练习本买了多少本？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<result>11</result>