cube of steel with a side length of 20 cm is forged into a cuboid with a length of 40 cm and a width of 20 cm. What is the height of the cuboid in cm?
将一块棱长20厘米的正方体钢材锻造成一个长40厘米、宽20厘米的长方体，这个长方体的高是多少厘米？
<gadget id="calculator">40 * 20</gadget>
<output>800</output>

<gadget id="calculator">20 / 800</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">20 * 20 * (1/40)</gadget>
<output>10</output>

<result>10</result>