This Math Puzzle Will Stump You For Eternity — or, Ya Know, Till You Look at the Answer

But alas, my brain teaser obsession is still going strong (along with my ever-growing forehead wrinkles), which is why I'm here to present all other puzzle fanatics with a challenge that'll really get you thinking. Instagram user The Power of Enjoyment regularly shares brain teasers with their followers, and this one's sure to throw you for a loop.