A square billet with a side length of 8 cm is forged into a rectangular steel with a height and a width of 4 cm. How many centimeters is the length of this rectangular steel?
把一块棱长8厘米的正方体钢坯锻造成高和宽都是4厘米的长方体钢材，这块长方体钢材长是多少厘米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">8 / 16</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * 8 * (1/2)</gadget>
<output>32</output>

<result>32</result>