Xiao Ming has 8 books, and the number of Xiao Li's books is 3 times more than Xiao Ming's. How many books does Xiao Li have?
小明有8本书，小李的书的本数比小明的2倍多3本，小李有多少本书．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">16 + 3</gadget>
<output>19</output>

<result>19</result>