If the height of a cuboid increases by 5m, it becomes a cube, and the surface area increases by 160m**2. What is the volume of the original cuboid in m**3?
一个长方体的高增加5m，就成为一个正方体，表面积增加了160m**2，原来长方体的体积是多少m**3．
<gadget id="calculator">160 / 5</gadget>
<output>32</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">8 * 8 * 3</gadget>
<output>192</output>

<result>192</result>