A workshop needs to produce 200 products, and the qualified rate is required to be 95%, so the number of unqualified products cannot meet the requirements.
某车间要生产200个产品，要求合格率为95%，那么不合格的产品不能超过几个才能达到要求．
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">200 * (1/20)</gadget>
<output>10</output>

<result>10</result>