A square steel billet with a side length of 6 meters is forged into a rectangular parallelepiped steel with a side length of 3 meters in cross section. How many meters is the forged steel?
一块棱长是6米的正方体钢坯，锻造成横截面边长是3米的长方体钢材，锻成的钢材有多少米长？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 * 6 * (2/3)</gadget>
<output>24</output>

<result>24</result>