Limin Fertilizer Factory originally planned to complete the production task of 27.6 tons of fertilizer in 12 days, but actually produced 2.3 tons more than the original plan every day. How many days did it actually take to complete the task?
利民化肥厂原计划用12天完成27.6t化肥的生产任务，实际每天比原计划多生产2.3t，实际用多少天完成了任务？
<gadget id="calculator">27.6 / 12</gadget>
<output>2.3</output>

<gadget id="calculator">2.3 + 2.3</gadget>
<output>4.6</output>

<gadget id="calculator">27.6 / 4.6</gadget>
<output>6</output>

<result>6</result>