Direction: The following pie chart shows the percentage distribution of the total number of students selected in an entrance exam from six different schools (A, B, C, D, E and F) in year 2020.

Total number of students selected from all six schools in 2020 = 3200

Find the difference in  number of students selected in exam from schools B, C, and D together and  number of students selected in exam from schools A, E, and F together?