The engineering team repaired a 9-kilometer-long section of road in 28 days. How much is the average amount of road repaired per day?
工程队28天修完9千米长的一段路，平均每天修这段路的多少
<gadget id="calculator">1 / 28</gadget>
<output>1/28 = around 0.035714</output>

<result>1/28 = around 0.035714</result>