On the day of "Double Ninth Festival", 17 old people came to Yanling Tea House to taste tea. Their ages are exactly 17 consecutive natural numbers. Two years later, the sum of the ages of these 17 old people is exactly 1326. How old is the oldest person among them?
"重阳节"那天，延龄茶社来了17位老人品茶．他们的年龄恰好是17个连续自然数，两年以后，这17位老人的年龄之和正好是1326．其中年龄最大的老人今年多少岁．
<gadget id="calculator">68 + 16</gadget>
<output>84</output>

<result>84</result>