What should come at the place of ‘?’ in the following question?

\(\left[ {\frac{{8\frac{2}{5}\; \times \;2\frac{6}{7}}}{5}} \right]\; + \;\left[ {\frac{{\frac{3}{5}\; + \;\frac{4}{3}}}{{\frac{1}{3}}}} \right] - \left[ {1\frac{1}{5}\; \times \;3\frac{1}{2}} \right]\; = \;?\)