Jiajia reads a book, if she reads 35 pages a day, she can finish it in 13 days. If you want to read it in 5 days, how many pages do you need to read every day?
佳佳看一本书，如果每天看35页，13天看完．如果想要5天看完，每天要看几页？
<gadget id="calculator">35 * 13</gadget>
<output>455</output>

<gadget id="calculator">455 / 5</gadget>
<output>91</output>

<result>91</result>