In a knowledge quiz, Wang Fang answered 15 questions and scored 108 points in total. 8 points for a correct answer and 4 points for a wrong answer. Do you know how many questions she got right?
在一次知识抢答赛中，王芳共答了15道题，一共得了108分．答对一题得8分，答错一题倒扣4分．你知道她答对了几道题吗？
<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<gadget id="calculator">120 - 108</gadget>
<output>12</output>

<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<gadget id="calculator">12 / 12</gadget>
<output>1</output>

<gadget id="calculator">15 - 1</gadget>
<output>14</output>

<result>14</result>