To dig a canal, it is planned to dig 48 meters per day, and the digging is completed in 15 days, but it is actually completed 3 days ahead of schedule. How many meters is actually dug on average per day?
挖一条水渠，计划每天挖48米，15天挖完，实际提前3天完成，实际平均每天挖多少米？
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">15 / 12</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">48 * (5/4)</gadget>
<output>60</output>

<result>60</result>