On Monday Adam had 6 * 30 = <<6*30=180>>180 minutes of lessons, which is 3 hours.

On Wednesday Adam spent twice as much time at school as on Tuesday, so he spent 2 * 3 = <<2*3=6>>6 hours at school.

This means that during these three days Adam spent at school 3 + 3 + 6 = <<3+3+6=12>>12 hours.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Adam goes to school every day. On Monday he had 6 lessons of 30 minutes each, and on Tuesday he had 3 lessons of 1 hour each. On Wednesday, Adam spent twice as much time at school as on Tuesday. How much time in total did Adam spend at school during these 3 days, in hours?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
12
Adam goes to school every day. On Monday he had 6 lessons of 30 minutes each, and on Tuesday he had 3 lessons of 1 hour each. On Wednesday, Adam spent twice as much time at school as on Tuesday. How much time in total did Adam spend at school during these 3 days, in hours?
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