A cuboid is 10cm long. If the height is increased by 2cm, it becomes a cube. Find the sum of the original edge lengths of the cuboid?
一个长方体，长10cm，如果高增加2cm后就成了一个正方体，求长方体原来的棱长和？
<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">10 + 10 + 8</gadget>
<output>28</output>

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

<result>112</result>