square billet with a side length of 0.6m is forged into a cuboid steel block with a cross-sectional area of 30dm**2. How long is the forged steel block?
把一块棱长是0.6m的正方体钢坯锻造成横截面的面积是30dm**2的长方体钢块，锻造的钢块有多长？
<gadget id="calculator">0.6 * 10</gadget>
<output>6</output>

<gadget id="calculator">6 / 30</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">6 * 6 * (1/5)</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>