A cuboid with a square base, the sum of the lengths of all sides is 100 cm, and its height is 7 cm, what is the volume of this cuboid in cubic centimeters?
一个底面是正方形的长方体，所有棱长的和是100厘米，它的高是7厘米，这个长方体的体积是多少立方厘米？
<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<gadget id="calculator">25 - 7</gadget>
<output>18</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 * 9 * 7</gadget>
<output>567</output>

<result>567</result>