The length, width and height of a cuboid are integers, and the sum is 19 decimeters. What is its maximum volume in cubic decimeters?
一个长方体的长、宽、高都是整分米数，和为19分米，它的最大体积是多少立方分米．
<gadget id="calculator">7 * 6 * 6</gadget>
<output>252</output>

<result>252</result>