Take a square steel billet with a side length of 5 decimeters and forge it into a cuboid steel with a cross-sectional area of 0.25 square meters. How long is the forged steel?
把一块棱长是5分米的正方体钢坯，锻成横截面面积是0.25平方米的长方体钢材，锻成的钢材有多长？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 0.25</gadget>
<output>2</output>

<gadget id="calculator">(1/2) * (1/2) * 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>