A cube of iron with a side length of 20 cm is forged into a cuboid with a length of 40 cm and a width of 25 cm. What is the height of the cuboid in cm?
把一个棱长为20cm的正方体铁块锻造成长40cm，宽25cm的长方体，长方体铁块的高是多少cm？
<gadget id="calculator">40 * 25</gadget>
<output>1_000</output>

<gadget id="calculator">20 / 1_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">20 * 20 * (1/50)</gadget>
<output>8</output>

<result>8</result>