A rectangular steel billet with an edge length of 2 meters is forged into a cuboid steel with a cross-sectional area of 20 square decimeters. What is the length of the forged steel in meters?
把一个棱长是2米的正方体钢坯锻造成横截面的面积是20平方分米的长方体钢材，锻造成的钢材长多少米．
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / (1/5)</gadget>
<output>10</output>

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

<result>40</result>