The road-building team builds a road. It is planned to repair 0.18 kilometers per day, which can be completed in 10 days. It actually took 2 more days to complete the project, how many kilometers were repaired on average per day?
筑路队修一条路．计划每天修0.18千米，10天可以完工．实际多用了2天才完工，实际平均每天修了多少千米？
<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">10 / 12</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">0.18 * (5/6)</gadget>
<output>0.15</output>

<result>0.15</result>