A 2-meter-long round steel is cut into 3 sections, and the surface area increases by 24 square centimeters. What is the original volume of the round steel in cubic decimeters?
一根2米长的圆钢截成3段，表面积增加了24平方厘米，原来圆钢的体积是多少立方分米．
<gadget id="calculator">24 / 4 / 100</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">(3/50) * 2 * 10</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>