A 1.2-meter-long cuboid is cut into two sections along the length, and the surface area is increased by 400 square decimeters compared to the original one. What is the volume of this log in cubic meters?
把一根长1.2米的长方体木料沿长截成两段，表面积比原来增加400平方分米．这根木料的体积是多少立方米？
<gadget id="calculator">400 / 2</gadget>
<output>200</output>

<gadget id="calculator">10 / 1_000</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">200 * 1.2 * (1/100)</gadget>
<output>2.4</output>

<result>2.4</result>