pond is 2.4 meters deep, and a bamboo pole is vertically inserted into the pool. The part of the bamboo pole that enters the mud is 0.4 meters, and the part that is out of the water is 0.5 meters. How long is this bamboo pole?
一个池塘深2.4米，用一根竹竿垂直插入水池中，竹竿的入泥部分是0.4米，露出水面的部分是0.5米．这根竹竿有多长？
<gadget id="calculator">2.4 + 0.4 + 0.5</gadget>
<output>3.3</output>

<result>3.3</result>