The number of the increase in chicken after 9 years is 150 * 9 = <<150*9=1350>>1350.

So the total number of the chicken in Michael's farm will be 550 + 1350 = <<550+1350=1900>>1900.

# Answer

1900
<|im_start|>system
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<|im_start|>user
Michael has a chicken farm. His chickens increase in number by 150 chickens annually. If the number of chickens on his farm now is 550, how many will he have after 9 years?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1900
Michael has a chicken farm. His chickens increase in number by 150 chickens annually. If the number of chickens on his farm now is 550, how many will he have after 9 years?
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