Write a Web$-$based application consisting of a Web form

$($ticket$-$purchase.html$)$ and a PHP program $($ticket$-$purchase.php$).$ The application

should: ask the user for the number of adult movie tickets they wish to purchase

AND the number of children's tickets that they wish to purchase;

calculate the total cost $($each adult ticket sells for $6\mathrm{.}50,$ each child ticket

sells for $4\mathrm{.}50)$; display the number of adult tickets purchased, the number of

children's tickets purchased, and the total cost: