Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
㊮ 강북허브팔아요 ⤺텔ㄹ≚ VMC79⥶ 강북허브팔아요$강북허브팔아요↥강북허브팔아요⥠강북허브팔아요
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
