The bottom diameter and height of a cylindrical wooden bucket are both 5 decimeters, and a small hole is made 2 decimeters from the mouth of the bucket. Now the bucket can store up to how many cubic decimeters of water.
一个圆柱形木水桶的底面直径和高都是5分米，在距离桶口2分米处破了一个小洞，现在这个水桶最多能储水多少立方分米．
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">3.14 * (25/4) * 3</gadget>
<output>58.875</output>

<result>58.875</result>