A cylindrical steel with a volume of 628 cubic centimeters and a cross-section with a diameter of 4 centimeters, cut off the full length (3/5), how many centimeters are left in the steel?
一根体积是628立方厘米的圆柱形钢材，横截面的直径是4厘米，截去全长的(3/5)，剩下的钢材有多少厘米？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">628 / 12.56</gadget>
<output>50</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">50 * (2/5)</gadget>
<output>20</output>

<result>20</result>