The engineering team planned to dig 100 meters a day and finish it in 24 days, but it was actually completed 4 days ahead of schedule. How many meters was dug on average per day?
工程队挖一条水渠，计划每天挖100米，24天完成，实际提前4天完成，实际平均每天挖多少米？
<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">100 * (6/5)</gadget>
<output>120</output>

<result>120</result>