Mr. Wang has 48 compositions to correct, and 13 have already been corrected. If you correct 7 articles per hour, how many hours will it take to complete the correction?
王老师要批改48篇作文，已经批改了13篇．如果每小时批改7篇，还要几小时能批改完？
<gadget id="calculator">48 - 13</gadget>
<output>35</output>

<gadget id="calculator">35 / 7</gadget>
<output>5</output>

<result>5</result>