For a cuboid, the lengths of the sides are all integer centimeters, and the sum of the lengths of all sides is 88 centimeters. What is the maximum total side area of the cuboid in square centimeters?
一个长方体，棱长都是整数厘米，所有棱长之和是88厘米，问这个长方体总的侧面积最大是多少平方厘米．
<gadget id="calculator">8 + 7</gadget>
<output>15</output>

<gadget id="calculator">15 * 2 * 7</gadget>
<output>210</output>

<result>210</result>