It takes 7 days to lay a road with a length of 10 kilometers. What is the average length of the road paved every day?
铺设一条长10千米的道路需7天完成，平均每天铺设的道路长度为多少千米．
<gadget id="calculator">10 / 7</gadget>
<output>10/7 = around 1.428571</output>

<result>10/7 = around 1.428571</result>