A road is 4,800 meters long. It is planned to repair 32 meters per day, but the actual repair is 8 meters per day. How many days earlier than the original plan is the actual completion of the task?
一条公路长4800米，计划每天修32米，实际每天多修8米，实际比原计划提前多少天完成任务？
<gadget id="calculator">4_800 / 32</gadget>
<output>150</output>

<gadget id="calculator">32 + 8</gadget>
<output>40</output>

<gadget id="calculator">4_800 / 40</gadget>
<output>120</output>

<gadget id="calculator">150 - 120</gadget>
<output>30</output>

<result>30</result>