A cylindrical steel with a length of 8dm is divided into two sections vertically along the cross section, and the surface area increases by 2.4cm**2. What is the original volume of this steel?
一根长8dm的圆柱形钢材沿横截面垂直等分成2段，表面积增加了2.4cm**2，原来这根钢材的体积是多少？
<gadget id="calculator">2.4 / 2</gadget>
<output>1.2</output>

<gadget id="calculator">1.2 * 8 * 10</gadget>
<output>96</output>

<result>96</result>