A cuboid with a square base is reduced by 4 cm in height to become a cube, and its surface area is reduced by 64 cm2. What is the volume of the cube in cm3?
一个底面为正方形的长方体，把它的高减少4厘米就成了正方体，表面积比原来减少了64平方厘米，这个正方体的体积是多少立方厘米．
<gadget id="calculator">64 / 4 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>