A rectangular steel billet with a side length of 30 cm is forged into a rectangular steel bar with a width of 15 cm and a height of 9 cm. What is its length in cm?
把棱长30厘米的正方体钢坯，锻造成宽15厘米，高为9厘米的长方体钢条，它的长是多少厘米？
<gadget id="calculator">30 * 30 * 30</gadget>
<output>27_000</output>

<gadget id="calculator">27_000 / 9 / 15</gadget>
<output>200</output>

<result>200</result>