There is a cuboid pit, if it is dug down to a depth of 1 meter, its surface area will increase by 24m**2 and become a cuboid pit. What is the volume of this cuboid pit?
有一个正方体的土坑，向下再挖深1米，它的表面积就增加24m**2，成为一个长方体土坑，这个长方体土坑的容积是多少．
<gadget id="calculator">24 / 4 / 1</gadget>
<output>6</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">6 * 6 * 7</gadget>
<output>252</output>

<result>252</result>