There are 20 competition questions, 8 points will be awarded for one correct answer, 2 points will be deducted for wrong one, no points will be deducted for not doing it, and no points will be deducted, Xiaohong finally waited for 100 points, how many questions did she get right.
有20道竞赛题，做对一道得8分，做错一道倒扣2分，不做不扣分也不得分，小红最后等了100分，她做对了多少道题．
<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<gadget id="calculator">160 - 100</gadget>
<output>60</output>

<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">20 - 6</gadget>
<output>14</output>

<result>14</result>