27. Xiao Xi plays video games, each game consumes one gold coin, but if he wins, he will receive a reward of 3 gold coins. Xiao Xi initially has 3 gold coins, after playing 5 games, he has 4 gold coins. Xiao Xi won $\qquad$ times.

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27. Xiao Xi plays video games, each game consumes one gold coin, but if he wins, he will receive a reward of 3 gold coins. Xiao Xi initially has 3 gold coins, after playing 5 games, he has 4 gold coins. Xiao Xi won $\qquad$ times.
answer: 2