Melt and cast two pieces of cube square steel with edge length of 1dm into a cuboid steel with a cross-sectional area of 20cm**2, how many decimeters is this steel?
把两块棱长都是1dm的正方体方钢熔铸成一根横截面积是20cm**2的长方体钢材，这根钢材长多少分米？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">1 * 1 * 1 * 10</gadget>
<output>10</output>

<result>10</result>