37 sums in 60 seconds.
On a July morning in 2023, a seventeen-year-old sat down in front of the Worldwide Book of Records and did something no teenager had done before: thirty-seven multiplication sums — three digits by one digit — in a single minute. Two world records now stand in Lavish Madan's name, each one the arithmetic of a year of unseen practice: every day, every method, every limit tested until the extraordinary looked effortless.