A photo album has 21 pages, and each page has 8 photos. Now put all these photos into a new photo album, and put 6 photos on each page. How many pages can be filled?
一本相册有21页，每页都放了8张照片，现在把这些照片全部放进新相册里，每页放6张，能放满多少页？
<gadget id="calculator">8 / 6</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">21 * (4/3)</gadget>
<output>28</output>

<result>28</result>