The task is to generate the correct answer for a given math problem.

Problem: meena wrote all the numbers from 1 to 29,999 inclusive . how many digits did she write in total ?
138,889

Problem: the mean daily profit made by a shopkeeper in a month of 30 days was rs . 350 . if the mean profit for the first fifteen days was rs . 255 , then the mean profit for the last 15 days would be
rs . 445

Problem: what is the smallest number by which 2880 must be divided in order to make it into a perfect square ?
5