When Xiaoya reads a book, she has already read 18 pages, and the number of pages she has not read is 6 pages more than three times the number of pages she has read. How many pages are still left?
小亚看一本书，已经看了18页，剩下没看的页数比已看的3倍还多6页，还有多少页没有看完？
<gadget id="calculator">108 + 6</gadget>
<output>114</output>

<result>114</result>