Question: Can you give me some step-by-step instructions for this math problem: 3 trees each had 7 blue birds in them. 2 different trees each had 4 blue birds. 1 final tree had 3 blue birds. How many blue birds were in the trees in total?
Answer: 
The first 3 trees had 7*3=21 blue birds.
The second 2 trees had 4*2=8 blue birds.
There were 21+8+3=32 blue birds in total.