http://www.suruga-ya.jp/product/detail/992701817001
http://www.suruga-ya.jp/product/detail/992950395001
http://www.suruga-ya.jp/product/detail/602091291001
http://www.suruga-ya.jp/product/detail/608124315001
那如果这四个一起拿到手的国际运费大约是多少呢？