To build a canal, it is planned to build 45 meters per day, which can be completed in 24 days. In fact, it only took 18 days to complete the task. How many meters are repaired on average every day? (Solve with ratio)
修一条水渠，计划每天修45米，24天可以完成．实际只用18天就完成任务，平均每天修多少米？(用比例解)
<gadget id="calculator">45 * 24</gadget>
<output>1_080</output>

<gadget id="calculator">1_080 / 18</gadget>
<output>60</output>

<result>60</result>