Use 500 seeds to do a germination test, the germination rate is 96.6%, how many seeds did not germinate?
用500粒种子做发芽试验，发芽率是96.6%，有多少粒种子没有发芽．
<gadget id="calculator">96.6 / 100</gadget>
<output>0.966</output>

<gadget id="calculator">1 - 0.966</gadget>
<output>0.034</output>

<gadget id="calculator">500 * 0.034</gadget>
<output>17</output>

<result>17</result>