My mother developed 24 photos, 8 of which belonged to Aunt Li, and the rest belonged to my mother. Put the photos of my mother in the photo album, and put 4 photos on each page. How many pages are needed?
妈妈冲洗了24张照片，其中有8张是李阿姨的，剩下的是妈妈的，把妈妈的照片放在相册里，每页放4张，需要几页？
<gadget id="calculator">24 - 8</gadget>
<output>16</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<result>4</result>