A cube of iron with side length of 10 cm is melted and cast into a cuboid. The length of the cuboid is 5 cm, the width is 5 cm, and how many cm is the height?
把一个棱长为10厘米的正方体铁块熔铸成一个长方体，长方体的长为5厘米，宽为5厘米，高是多少厘米？
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">10 / 25</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">10 * 10 * (2/5)</gadget>
<output>40</output>

<result>40</result>