Take a piece of steel with a side length of 8 decimeters and forge it into a steel with a square cross section. It is known that the side length of the steel cross section is 4 cm, how many meters is the forged steel?
把一块棱长8分米的正方体钢抷，锻造成横截面是正方形的钢材．已知钢材横截面的边长4厘米，锻造成的钢材有多少米长？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">(1/25) * (1/25)</gadget>
<output>1/625 = around 0.0016</output>

<gadget id="calculator">(4/5) / (1/625)</gadget>
<output>500</output>

<gadget id="calculator">(4/5) * (4/5) * 500</gadget>
<output>320</output>

<result>320</result>