It took 35 days to build a 3.5-kilometer road, and 10.6 kilometers remained to be completed. How many kilometers are repaired on average per day?
修一条长3.5千米的公路，修了35天，还剩10.6千米没修完，平均每天修多少千米？
<gadget id="calculator">3.5 - 0.6</gadget>
<output>2.9</output>

<gadget id="calculator">2.9 / 5</gadget>
<output>0.58</output>

<result>0.58</result>