Zhang Qiang put together 5 identical cubes to form a cuboid. The sum of the sides of this cuboid is 112cm. What is the sum of the sides of a cube?
张强同学用5个完全一样的正方体拼成一个长方体，这个长方体的棱长之和是112cm，原来一个正方体的棱长之和是多少？
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">20 + 4 + 4</gadget>
<output>28</output>

<gadget id="calculator">112 / 28</gadget>
<output>4</output>

<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<result>48</result>