There is a piece of iron with a side length of 8 decimeters. Now it is melted and cast into a cuboid with a cross-sectional area of 2 square decimeters. What is the length of this cuboid?
有一块棱长是8分米的正方体的铁块，现在要把它溶铸成一个横截面积是2平方分米的长方体，这个长方体的长是多少分米．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">8 * 8 * 4</gadget>
<output>256</output>

<result>256</result>