What's 869,463,853 times 73? While the average person would still be reaching for their calculator, 20-year-old Neelakantha Bhanu Prakash already has the answer. It's 63,470,861,269 and it takes just ...

If I asked you to multiply 51,689 by 89,542 without using your phone or calculator, how much time would it take you? Fourteen-year-old Aaryan Shukla can solve this arithmetic in a matter of ...

There's a new Guinness World Record holder for how fast someone can do math. Aaryan Shukla -- who has been dubbed "the human calculator" can solve complex problems in his head in seconds. KUOW is ...

OK, Ari, what is 567 times 123? And you have exactly three seconds to answer, so you better move fast. SHAPIRO: You can't be serious right now, Juana. SUMMERS: (Laughter). SHAPIRO: There's no way ...