If the width of a cuboid is increased by 2cm, it becomes a cube with side length of 10cm. What is the volume of the original cuboid in cm**3.
一个长方体的宽增加2cm后变成一个棱长是10cm的正方体，原来长方体的体积是多少cm**3．
<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">10 * 10 * 8</gadget>
<output>800</output>

<result>800</result>