Cut a largest cube from a cuboid with a length of 7.2dm, a width of 4dm and a height of 8.8dm. What is the sum of the lengths of the sides of the cube in dm?
从一个长7.2dm，宽4dm，高8.8dm的长方体中切一个最大的正方体，这个正方体的棱长和是多少dm．
<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<result>48</result>