Cut a cuboid with a length of 7cm, a width of 5cm and a height of 3cm into a cube with the largest volume. What is the volume of the cube in cm**3.
将一个长7cm、宽5cm，高3cm的长方体截成一个体积最大的正方体，这个正方体的体积是多少cm**3．
<gadget id="calculator">3 ** 3</gadget>
<output>27</output>

<result>27</result>