If the height of a cuboid is increased by 5 cm, it becomes a cube. At this time, the surface area is increased by 240 cm2. What is the volume of the original cuboid?
将一个长方体的高增加5厘米，就成为一个正方体，这时表面积比原来增加240平方厘米，原来长方体的体积是多少？
<gadget id="calculator">240 / 5</gadget>
<output>48</output>

<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 - 5</gadget>
<output>7</output>

<gadget id="calculator">12 * 12 * 7</gadget>
<output>1_008</output>

<result>1_008</result>