What will come in the place of the question mark ‘?’ in the following question?
\(\left[ {333{\rm{}} + {\rm{}}441{\rm{}} \times {\rm{}}\left\{ {62\frac{1}{2}{\rm{\% \;of\;}}512{\rm{\;}} \div {\rm{}}\left( {133\frac{1}{3}{\rm{\% \;of\;}}480{\rm{\;}} + {\rm{\;}}\overline {640{\rm{\;}} - {\rm{\;}}320} } \right)} \right\}} \right]\; = \;?\)
1
420
2
480
3
360
4
520
5
None of these