Bingbing plans to read a world famous novel in the summer vacation. If he reads 16 pages a day, he can finish it on the 13th day. If he reads 20 pages a day, he can finish it on the 11th day. What is the maximum number of pages in this book?
兵兵计划在暑期看一部世界名著，每天看16页，第13天可以看完，如果每天看20页，第11天可以看完，这本书最多有多少页．
<gadget id="calculator">13 * 16</gadget>
<output>208</output>

<result>208</result>