Xiaogang read a story book, and he read 48 pages in 3 days. According to this calculation, he will finish reading it in 5 days. How many pages does this story book have?
小刚读一本故事书，3天读了48页，照这样计算，再读5天正好读完．这本故事书共有多少页．
<gadget id="calculator">48 / 3</gadget>
<output>16</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">16 * 8</gadget>
<output>128</output>

<result>128</result>