There are 10 questions in a math competition, 6 points are awarded for each correct answer, 4 points are deducted for each wrong answer, and Xiaohong has a total of 50 points. How many questions did she get right?
一次数学竞赛，共有10道题，每做对一道题得6分，每做错一题倒扣4分，小红共得了50分，她做对了多少题．
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">60 - 50</gadget>
<output>10</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<result>9</result>