The number is the ratio of the circumference to the diameter of a circle.
The children are given an ultra assignment every month. The children are challenged to surpass themselves for an ultra assignment. The month of December was all about the number pi.
To add extra shine to her performance, Brishna did her assignment again the next day under the supervision of the entire school. The children watched the whole spectacle in amazement. And yes, a new record emerged. As many as 280 digits were recited after the decimal point.