A section of highway is 12 kilometers long, and it takes 18 days to complete the repair. How many kilometers is repaired on average every day?
一段公路长12千米，18天修完，平均每天修多少千米．
<gadget id="calculator">12 / 18</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>