There were 12 questions in a certain mathematics competition, 10 points were awarded for correct answers, and 8 points were deducted for not doing or doing wrong ones. In the end, Xiao Liang got 66 points. How many questions did Xiao Liang answer correctly?
某次数学竞赛，共12道题，做对得10分，不做或做错扣8分，小亮最后得66分，小亮答对几道题？
<gadget id="calculator">120 - 66</gadget>
<output>54</output>

<gadget id="calculator">10 + 8</gadget>
<output>18</output>

<gadget id="calculator">54 / 18</gadget>
<output>3</output>

<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<result>9</result>