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Title: Birthday candles

From a certain year onwards, a gentleman would hold a birthday party every year, and every time he would blow out the same number of candles as his age.

So far, he has blown 236 candles,

When did he start his birthday party?

Please fill in the number of years he started his birthday party

Note: your submission is an integer, please do not fill in any extra content or explanatory text

Answer:

There are two ways to solve the problem. One is the conventional way, that is, start from a certain age and add up, judge whether the number of candles will be equal to 236 after a certain age