The engineering team planned to repair 0.45 kilometers of roads every day, and completed the task in 20 days, but it actually took only 18 days. How many kilometers were actually repaired every day?
工程队计划每天修0.45千米的公路，20天完成任务，实际只用了18天，实际每天修多少千米？
<gadget id="calculator">20 / 18</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">0.45 * (10/9)</gadget>
<output>0.5</output>

<result>0.5</result>