J. Shiva Sai Reddy (born on 13th August 2000) from Andhra Pradesh, India has calculated 8 Digit No. with 8 Digit No. without using any gadget in 3 Minutes and 18 Seconds. The record was created in an event conducted by Wonderkidz Arithmetika at Dr.A.S.Rao Nagar, Hyderabad on 5th August 2012
Unique ID: 2014MMW428