A square iron block with a side length of 2dm is forged into a cuboid part with a square cross-section and a side length of 8dm. How long is this part?
一个正方体铁块棱长为2dm，将它锻造成截面是正方形，且边长为8dm的长方体零件，这个零件有多长？
<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">2 / 64</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">2 * 2 * (1/32)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>