Teacher Wang gave Zhao Ming 20 questions, and Zhao Ming has completed 14 of them. What percentage of the total is left?
王老师给赵明出了20道题，赵明已完成了其中的14道，还剩下总数的几分之几没有完成？
<gadget id="calculator">20 - 14</gadget>
<output>6</output>

<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>