What approximate value should come in place of the question mark (?) in the following question?

$4275 div 496 imes {(21)^2} = ;?$

$? = 4275 div 496 imes {21^2}$

$= frac{{4275 imes {{(21)}^2}}}{{496}}$

$approx frac{{4275 imes 441}}{{495}} approx 3800$