The construction team built a 396-meter road. After repairing for 5 days, there are 216 meters left. If required, it must be completed within 9 days. From the sixth day, how many meters have been repaired on average every day?
施工队修一条396米的公路．修了5天后还剩216米．如果要求必须9天修完．从第六天起，平均每天修多少米？
<gadget id="calculator">216 / 3</gadget>
<output>72</output>

<result>72</result>