A square steel billet with a side length of 4 cm is forged into a cuboid with an area of 20 square decimeters. What is the height of the cuboid in decimeters?
把一个棱长4厘米的正方体钢坯锻造成一个占地面积是20平方分米的长方体，这个长方体的高是多少分米．
<gadget id="calculator">64 / 2_000</gadget>
<output>4/125 = around 0.032</output>

<gadget id="calculator">(4/125) / 10</gadget>
<output>2/625 = around 0.0032</output>

<result>2/625 = around 0.0032</result>