A book has 480 pages. Gao Ge read (1/4) of the whole book on the first day, and (3/4) on the second day. How many pages did he read on the second day?
一本书480页，高歌第一天看了全书的(1/4)，第二天看的是第一天的(3/4)，第二天看了多少页？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">480 * (1/4) * (3/4)</gadget>
<output>90</output>

<result>90</result>