Xiao Hua has 6 books, and Xiao Ming has three times as many books as Xiao Hua. How many books does Xiao Ming have?
小花有6本书，小明的本数正好是小花的3倍，小明有多少本书．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>