Xiaohong and Xiaoli go to the library to read the same book every day. Xiaohong reads 4 pages a day and finishes it in 6 days. Xiaoli finishes it in only 4 days. How many pages does Xiaoli read in a day?
小红和小丽每天到图书室看同一本书，小红每天看4页，6天看完，小丽只看了4天就看完了，小丽一天看几页？
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<result>6</result>