cube with a side length of 2 cm, if its volume is increased by 208 cubic centimeters and remains a cube, how many centimeters does the side length of the cube increase?
一个边长为2厘米的正方体，如果使其体积增加208立方厘米之后仍是一个正方体，则这个正方体的边长增加了多少厘米？
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<result>4</result>