cylindrical steel, cut off 1 meter. The measured diameter of its cross-section is 20 centimeters, and the cut volume accounts for (1/3) of the steel. How many cubic decimeters was the original volume of the steel? (π takes 3.142)
一根圆柱形钢材，截下1米．量的它的横截面的直径是20厘米，截下的体积占这根钢材的(1/3)，这根钢材原来的体积是多少立方分米？(π取3.142)
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">100 / 1_000 / (1/3)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3.142 * 100 * 1 * (3/10)</gadget>
<output>94.26</output>

<result>94.26</result>