An engineering team built a section of railway. It was originally planned to build 45 meters per day, and it was completed in 12 days. The task was actually completed 10 days ahead of schedule. How many meters were actually built on average per day?
某工程队修筑一段铁路，原计划每天修45米，12天完成，实际提前到10天完成任务，实际平均每天修筑多少米？
<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">45 * (6/5)</gadget>
<output>54</output>

<result>54</result>