After sawing a 60 cm long cuboid into 3 sections along its length, the surface area increases by 60 cm2. What is the volume of this cuboid?
把一根长60厘米的长方体木料沿长平均锯成3段后，表面积增加了60平方厘米，这个长方体的体积是多少平方厘米．
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">15 * 60</gadget>
<output>900</output>

<result>900</result>