Burn a cube of iron with a side length of 1 decimeter red and make it into a cuboid with a cross-sectional area of 0.25 decimeter square. What is the length of this cuboid in decimeters?
把棱长1分米的正方体铁块烧红后打造成一块横截面积为0.25平方分米的长方体，这个长方体的长是多少分米．
<gadget id="calculator">1 / 0.25</gadget>
<output>4</output>

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<result>4</result>