A 4.1-meter-long bamboo pole is inserted vertically into the pool. The part of the bamboo pole that enters the mud is 0.3 meters, and the part that is out of the water is 1.28 meters. Can you figure out how deep the pool is?
一根4.1米长的竹竿竖直插入水池中，竹竿入泥的部分是0.3米，露出水面的是1.28米．你能算出池水深多少米？
<gadget id="calculator">4.1 - 0.3 - 1.28</gadget>
<output>2.52</output>

<result>2.52</result>