Florida 11-year-old earns world record for mental math

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An 11-year-old Florida girl just set a Guinness World Record for acting like a human calculator.

Sanaa Hiremath broke the record by solving a 12-digit multiplication problem in 10 minutes – all in her head.

Hiremath is diagnosed with autism, and her parents say she actually failed math at school before switching to home schooling – quickly demonstrating skill with numbers.