cube steel ingot with a side length of 8dm is melted and cast into a cuboid steel with a cross-sectional area of 0.1m**2. How many decimeters is the steel after melting?
把一块棱长8dm的正方体钢锭，熔铸成横截面积是0.1m**2的长方体钢材，熔铸后的钢材长多少分米？
<gadget id="calculator">0.1 * 100</gadget>
<output>10</output>

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">8 * 8 * (4/5)</gadget>
<output>256/5 = around 51.2</output>

<result>256/5 = around 51.2</result>