A cuboid with a square base and a height of 8 cm. If its height is increased (1/4), the surface area increases by 24 square centimeters. What is the volume of the original cuboid in cubic centimeters?
一个底面为正方形的长方体，高8厘米．如果把它的高增加(1/4)，表面积就增加24平方厘米．原长方体的体积是多少立方厘米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 * (1/4)</gadget>
<output>2</output>

<gadget id="calculator">24 / 4 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 8</gadget>
<output>72</output>

<result>72</result>