3.7-meter bamboo pole is inserted vertically into the pond. The part of the bamboo pole that enters the mud is 0.46 meters, and the part that is exposed to the water is 1.06 meters. How deep is the water in this pond?
一根3.7米的竹竿垂直插入池塘中，竹竿入泥部分是0.46米，露出水面部分是1.06米，这个池塘的水深多少米？
<gadget id="calculator">3.7 - 0.46 - 1.06</gadget>
<output>2.18</output>

<result>2.18</result>