He has 60-20= <<60-20=40>>40 kilograms of mangoes left after selling them to the market.

Colby sold 1/2 x 40 = <<1/2*40=20>>20 kilograms of mangoes to the community.

Therefore, Colby still has 20x8= <<20*8=160>>160 pieces of mangoes.

# Answer

160
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Colby harvested his mango trees, the total mangoes he harvested is 60 kilograms. He sold 20 kilograms to the market and sold the remaining half to his community. If each kilogram contains 8 mangoes, how many mangoes does he still have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
160
Colby harvested his mango trees, the total mangoes he harvested is 60 kilograms. He sold 20 kilograms to the market and sold the remaining half to his community. If each kilogram contains 8 mangoes, how many mangoes does he still have?
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