An article is 500 words, Mr. Wang can input 80 words per minute on average, how many minutes can it be finished?
一篇文章500字，王老师平均每分钟录入80个字，多少分钟能录入完．
<gadget id="calculator">500 / 80</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>