A cylindrical bucket has a base diameter of 30 cm measured from the inside and a height of 40 cm. It is known that each cubic decimeter of water weighs 1 kilogram, how much water can this bucket hold?
一个圆柱形水桶，从里面量底面直径是30厘米，高是40厘米．已知每立方分米水重1千克，这个水桶能装水多少千克？
<gadget id="calculator">28.26 * 1</gadget>
<output>28.26</output>

<result>28.26</result>