Cut a cube into a cylinder with the largest volume. If the lateral area of the cylinder is 314 square centimeters, find the surface area of the cube.
把一个正方体削成一个体积最大的圆柱．如果圆柱的侧面积是314平方厘米，求正方体的表面积．
<gadget id="calculator">314 / 3.14</gadget>
<output>100</output>

<gadget id="calculator">100 * 6</gadget>
<output>600</output>

<result>600</result>