A square steel billet with a side length of 0.4 meters is forged into a rectangular steel with a cross section of 0.08 square meters. How many meters is the forged steel?
把一块棱长为0.4米的正方体钢坯，锻造成横截面为0.08平方米的长方体钢材，锻造成的钢材长多少米？
<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>