Nathan played a total of 2 air hockey + 4 basketball = <<2+4=6>>6 games.

This cost him 6 games x 3 tokens each = <<6*3=18>>18 tokens.

# Answer

18
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Nathan went to the arcade. He played the air hockey game 2 times and the basketball game 4 times. If each game cost 3 tokens, how many tokens did he use?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
18
Nathan went to the arcade. He played the air hockey game 2 times and the basketball game 4 times. If each game cost 3 tokens, how many tokens did he use?
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