Ten strands are used for the body, and how many are used for the sleeves?

Ten strands are used for the body and five strands are used for the sleeves. According to relevant data, the ratio of body to sleeve is 2 1, that is, the total number of threads is 3, body is 2, and sleeve is 1. If the body is about 350 stitches. Then the number of stitches in the sleeve should be around 170, which is more appropriate. If the body is two feet long, Then the sleeves will be 2 feet long. This kind of sweater fits me just right. It's a normal sweater.