A piece of plasticine with a side length of 4cm is kneaded into a cuboid. If the length is 5cm and the width is 4cm, then how many centimeters is the height of the cuboid?
一块棱长是4cm的正方体橡皮泥，现在把它捏成一个长方体，如果长是5cm，宽是4cm，那么这个长方体的高是多少厘米？
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">4 / 20</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 * 4 * (1/5)</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>