Teacher Li has to correct 98 compositions, and 18 of them have been corrected. The remaining 16 articles are corrected every hour. How many hours will it take to complete all corrections?
李老师要批改98篇作文，已经改好了18篇．剩下的每小时批改16篇，还要几小时才能全部批改完？
<gadget id="calculator">98 - 18</gadget>
<output>80</output>

<gadget id="calculator">80 / 16</gadget>
<output>5</output>

<result>5</result>