An engineering team dredging a canal originally planned to dig 12,000 cubic meters of river mud in 20 days. Later, due to actual needs, the dredging volume increased by 50%, and the daily dredging volume also increased by 1/5. How many days can the task be completed?
某工程队疏通运河，原计划用20天挖掘河泥12000立方米，后来由于实际需要，挖泥量增加了50%，每日挖泥量也增加了1/5，这样多少天可以完成任务？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(3/2) / (6/5)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 * (5/4)</gadget>
<output>25</output>

<result>25</result>