A piece of steel with a side length of 6 cm is forged into a square cuboid with a side length of 4 cm. What is the length of this piece of square steel in cm?
将一块棱长是6厘米的正方体的钢铁，锻压成底面边长为4厘米的正方形的长方体，这段方钢的长是多少厘米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">6 / 16</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">6 * 6 * (3/8)</gadget>
<output>27/2 = around 13.5</output>

<result>27/2 = around 13.5</result>