Xiaoqing read a storybook in 4 days, an average of 55 pages per day in the first 2 days, and a total of 95 pages in the last 2 days. Do you know how many pages this book has?
小青4天看完一本故事书，前2天平均每天看55页，后2天共看了95页．你知道这本书一共有多少页吗？
<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<gadget id="calculator">110 + 95</gadget>
<output>205</output>

<result>205</result>