In the oral arithmetic competition, Xiaozhen did 200 questions with an error rate of 5%. How many questions did she get right?
口算比赛，小珍做了200道，错误率为5%，做对了多少道？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">200 * (19/20)</gadget>
<output>190</output>

<result>190</result>