I believe that is not a rA script, so here.
1@gef_in,74,144,3 script Casino Employee 109,{
.@EXT = 7539;
mes "[Casino Employee]";
mes "Welcome to Jazeera Casino.";
mes "Casino entry cost: ^0000FF3 "+getitemname(7539)+"^000000.";
next;
if(select("Enter Casino:Cancel") == 1){
if(countitem(.@EXT) < 3){
mes "[Casino Employee]";
mes "You don't have enough ^0000FF"+getitemname(.@EXT)+"^000000.";
close;
}
mes "[Casino Employee]";
mes "Let's go!";
delitem .@EXT,3;
warp "1@gef_in",68,170;
end;
}
mes "[Casino Employee]";
mes "Okay, have a nice day.";
close;
}