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: a train running at the speed of 72 km / hr crosses a pole in 9 seconds . find the length of the train .
180 meter

Problem: in a class of 32 students , 2 students did not borrow any books from the library , 12 students each borrowed 1 book , 10 students each borrowed 2 books , and the rest borrowed at least 3 books . if the average number of books per student was 2 , what is the maximum number of books any single student could have borrowed ?

11