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Nick had 2214 cows and pigs on his farm.

He sold `1/2` of his pigs and bought 68 more cows.

As a result, the number of cows became `1/3` of the number of pigs.

(a) How many cows were there at first?

(b) How many pigs were there at first?

Notes to students:

If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12