A road is 15 kilometers long, and it takes 9 days to complete the repair. What fraction of the road is repaired on average every day?
一条路15千米，9天修完，平均每天修这条路的几分之几？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>