Green = <<156=156>>156 cm

Red = 3*156 + 8 = <<3*156+8=476>>476 cm

156 + 476 = <<156+476=632>>632 cm of yarn

The two pieces of yarn have a length of 632 centimeters.

# Answer

632
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The green piece of yarn is 156 cm long. The red yarn is 8 cm more than three times the length of the green yarn. What is the number of centimeters in the total length for the 2 pieces of yarn?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
632
The green piece of yarn is 156 cm long. The red yarn is 8 cm more than three times the length of the green yarn. What is the number of centimeters in the total length for the 2 pieces of yarn?
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