There are two cylindrical beverage cans of the same height, the ratio of the radius of their bottom surface is 2:3, the volume of the first beverage can is 200 ml, how much more volume of the second beverage can than the first one?
有两个同样高的圆柱形饮料罐，其底面半径之比是2：3，第一个饮料罐的容积是200毫升，第二个饮料罐的容积比第一个多多少毫升？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">200 / (4/9)</gadget>
<output>450</output>

<gadget id="calculator">450 - 200</gadget>
<output>250</output>

<result>250</result>