To dig a canal, it is planned to dig 60 meters per day, and it can be completed in 24 days, but it is actually completed 4 days ahead of schedule. How many meters is actually dug per day?
挖一条水渠，计划每天挖60米，24天可以完工，实际提前4天完工，实际每天挖多少米？
<gadget id="calculator">24 - 4</gadget>
<output>20</output>

<gadget id="calculator">24 / 20</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">60 * (6/5)</gadget>
<output>72</output>

<result>72</result>