0.23t ์ •๋„ ๋‘๊ป˜ ์จ๋„ ๊ดœ์ฐฎ์œผ๋ ค๋‚˜ ์•„๋‹ˆ๋ฉด ๊ทธ๋ƒฅ ์•ˆ์ „ํ•˜๊ฒŒ 0.18t ๊ฐˆ๊นŒ