Each emu has 1+2=<<1+2=3>>3 heads and legs.

Then the flock has 60/3=<<60/3=20>>20 animals.

# Answer

20
<|im_start|>system
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<|im_start|>user
Farmer Brown raises emus, large birds. His flock has a total of 60 heads and legs. How many emus are in his flock?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
20
Farmer Brown raises emus, large birds. His flock has a total of 60 heads and legs. How many emus are in his flock?
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