Answer:
$234.25
Breakdown of calculations:
$256 × .15 (or 15%) = $38.40
$256 - $38.40 = $217.60 (cost of ticket after discount)
$217.60 × .0765 (or 7.65%) = $16.6464....round to $16.65
$217.60 + $16.65 = $234.25 final cost of train ticket including tax