A bamboo pole is inserted into the water, the wet part is 1.2 meters, turned around, and the other end is inserted into the water. At this time, 40% of the bamboo pole is 0.6 meters dry. How many meters was the original length of the bamboo pole?
一根竹竿插入水中，浸湿部分是1.2米，掉过头来，另一端插入水中，这时竹竿的40%还多0.6米是干的，这根竹竿原长多少米？
<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>

<gadget id="calculator">2.4 + 0.6</gadget>
<output>3</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / (3/5)</gadget>
<output>5</output>

<result>5</result>