Xiaojun reads a storybook and has already read 48 pages. At this time, the ratio of the number of pages he has read to the number of pages he has not read is 3:5. How many pages does this storybook have?
小军看一本故事书，已经看了48页，这时已看页数与未看页数的比是3：5，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>