If the height of a cylinder increases by 3 decimeters, the lateral area increases by 56.52 square decimeters. How many cubic decimeters does its volume increase?
一个圆柱的高增加3分米，侧面积就增加56.52平方分米，它的体积增加多少立方分米？
<gadget id="calculator">56.52 / 3 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 3</gadget>
<output>84.78</output>

<result>84.78</result>