To complete a task, the original plan was to dig 32 cubic meters of soil every day, which would take 15 days to complete, but the actual daily digging was 25% more than the original plan. How many days did it actually take to complete the task?
要完成一项任务，原计划每天挖土32立方米，需要15天完成，实际每天比原计划多挖土25%，实际需要几天完成任务？
<gadget id="calculator">32 * 15</gadget>
<output>480</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">32 * (5/4)</gadget>
<output>40</output>

<gadget id="calculator">480 / 40</gadget>
<output>12</output>

<result>12</result>