If a square steel block with a side length of 0.4 meters is forged into a cuboid steel with a cross-sectional area of 0.08 square meters, how long is the steel?
把一块棱长为0.4米的正方体钢块锻造成横截面面积是0.08平方米的长方体钢材，则钢材有多长？
<gadget id="calculator">0.4 / 0.08</gadget>
<output>5</output>

<gadget id="calculator">0.4 * 0.4 * 5</gadget>
<output>0.8</output>

<result>0.8</result>