You need SQL statement.
prontera,157,95,4 script ahue 602,{
query_sql ("SELECT SUM(nameid) FROM `auction` WHERE `nameid` = '569'", @auction);
query_sql ("SELECT SUM(amount) FROM `inventory` WHERE `nameid` = '569'", @inventory);
query_sql ("SELECT SUM(amount) FROM `storage` WHERE `nameid` = '569'", @storage);
query_sql ("SELECT SUM(amount) FROM `cart_inventory` WHERE `nameid` = '569'", @cartinventory);
query_sql ("SELECT SUM(amount) FROM `mail` WHERE `nameid` = '569'", @mail);
set sum, @inventory + @storage + @cartinventory + @mail + @auction;
mes sum;
close;
}