road is 860 meters long, 91.6 meters were repaired in the first week, and 8.9 meters more in the second week than in the first week. How many meters are left to be repaired?
一条公路长860米，第一周修了91.6米，第二周比第一周多修了8.9米，还剩下多少米没修完？
<gadget id="calculator">91.6 + 8.9</gadget>
<output>100.5</output>

<gadget id="calculator">860 - 91.6 - 100.5</gadget>
<output>667.9</output>

<result>667.9</result>