After sawing a 2m long cuboid into two pieces, the surface area increases by 100cm**2, what is its volume in cm**3.
把一根长2m长方体木料锯成两段后，表面积增加了100cm**2，它的体积是多少cm**3．
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">50 * 2 * (1/10)</gadget>
<output>10</output>

<result>10</result>