The surface area of a cylinder is 12.56 square meters greater than the lateral area and the height is 56 decimeters. What is the volume of the cylinder?
一个圆柱体的表面积比侧面积大12.56平方米，高56分米，这个圆柱体的体积是多少？
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<gadget id="calculator">12.56 * 50 * 56</gadget>
<output>35_168</output>

<result>35_168</result>