In a, school , students thought of planting trees in and around the school to reduce air pollution . It was decided that the number of trees , that each section of each class will plant, will be the same as the class, in which they are studying, e.g., a section of class I will plant 1 tree , a section of class II will plant 2 trees and so on till Class XII. There are three sections of each class. How many trees will be planted by the students ?

Answer

234 trees