Forge a square steel with a side length of 0.3 meters into a rectangular steel with a cross-sectional area of 0.2 square meters. How long is the forged steel?
把一块棱长为0.3米的正方体钢锻造成横截面积是0.2平方米的长方体钢材，锻造成的钢材有多长？
<gadget id="calculator">0.3 / 0.2</gadget>
<output>1.5</output>

<gadget id="calculator">0.3 * 0.3 * 1.5</gadget>
<output>0.135</output>

<result>0.135</result>