In a math competition, there were 15 questions in total, 8 points were awarded for each correct answer, and 4 points were deducted for each wrong answer. Xiaohua scored a total of 72 points. How many questions did Xiaohua get right?
在一次数学竞赛中，共有15道题，每做对一题得8分，每做错一题倒扣4分，小华共得了72分，小华做对了多少道题？
<gadget id="calculator">8 * 15</gadget>
<output>120</output>

<gadget id="calculator">120 - 72</gadget>
<output>48</output>

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

<gadget id="calculator">48 / 12</gadget>
<output>4</output>

<gadget id="calculator">15 - 4</gadget>
<output>11</output>

<result>11</result>