According to the survey of Spring City Evening News, in October 2012, "Manga Party Ah Shao 0nline35" ranked first in the children's book list. Yunnan Education Publishing House plans to publish 4,500 copies of "Comic Party Ah Shao 0nline35" in November, and each 50 copies will be bundled into a pack. How many packs of these books will be bundled together?
据春城晚报调查，2012年10月少儿图书排行榜中，《漫画Party阿衰0nline35》排在第一位．云南教育出版社11月计划出版4500本《漫画Party阿衰0nline35》，每50本捆成一包，这些图书一共要捆多少包？
<gadget id="calculator">4_500 / 50</gadget>
<output>90</output>

<result>90</result>