Is it really a skill to be naturally good at math?

I've always noticed math is the subject many people have trouble with since their school years. I must say it has never once given me trouble. I actually thought wasting papers on writing 20-30 solve problems was boring. I already knew it without even studying them.

I used to be tardy to math classes (even missing 10-15 minutes of the lecture) and still got an easy A. Several people have told me that I'm lucky to have math skills. Is it?

Updates
5 mo
Ironically I didn't really care too much and was just doing the boring homeworks just to maintain that A. I could've passed the class with all the A's I got on the exams but if I didn't do the pathetic homeworks, that would drop it to a B--.
Is it really a skill to be naturally good at math?
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