35% of a job has been completed, how much is still not completed.
一项工作已经完成了35%，还有多少没有完成．
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 - (7/20)</gadget>
<output>13/20 = around 0.65</output>

<result>13/20 = around 0.65</result>