์ •๊ฐ€ 14.9๋งŒ์›์งœ๋ฆฌ


16.9 ๋งŒ์›์— ์˜ฌ๋ฆฌ๊ณ 


์„ธ์ผ ํ•œ๋‹ค๊ณ  16.9 -> 13.9 ํ•จ