In a competition, 10 points are awarded for a correct answer, and 6 points are deducted for a wrong answer. Xiao Ming answered 8 questions in total and scored 64 points. How many questions did he answer correctly?
在一次竞赛活动中，答对一题加10分，答错一题扣6分，小明共抢答8道题，得分64分，他答对了多少道．
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">80 - 64</gadget>
<output>16</output>

<gadget id="calculator">10 + 6</gadget>
<output>16</output>

<gadget id="calculator">16 / 16</gadget>
<output>1</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<result>7</result>