A cuboid with a length of 2 meters is cut into 6 equal segments along the length, and the surface area increases by 36 square meters. Find the volume of the original cuboid.
一根长2米的长方体，沿着长截成相等的6段后，表面积增加了36平方米，求原来的长方体的体积．
<gadget id="calculator">36 / 10</gadget>
<output>18/5 = around 3.6</output>

<gadget id="calculator">(18/5) * 2</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>