human
Hazel walked 2 kilometers in the first hour. If she walked twice as far in the second hour, how far did she walk for 2 hours?
assistant
How far did Hazel walk in the second hour? ** Hazel walked 2 x 2 = <<2*2=4>>4 kilometers in the second hour.
How far did Hazel walk for 2 hours? ** So, she walked 2 + 4 = <<2+4=6>>6 kilometers for 2 hours.
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