A girl has created a new record for doing mental arithmetic.
Chen Ranran, the university student from Wuhan, Hubei Province, has become popular for her ability to calculate.
The record was for performing complex calculations using 15-digit numbers, reports China Daily.
Guinness World Records' Shanghai headquarters confirmed Ranran's latest record.
Ranran often demonstrates her talent on TV programs and in shows.
She is known as the world's quickest human calculator.