To forge a conical part with a base circumference of 62.8 cm and a height of 24 cm, how long should a square steel with a side length of 4 cm be cut?
要锻造一个底面周长是62.8厘米，高24厘米的圆锥形零件，应截取截面边长为4厘米的方钢多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

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

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">24 / 16</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * (3/2)</gadget>
<output>157</output>

<result>157</result>