The younger brother reads a storybook, and he has already read 36 pages, which is 27 pages more than he has not read. How many pages are there in total?
弟弟看一本故事书，已经看了36页，比没看的多27页，一共有多少页？
<gadget id="calculator">36 - 27</gadget>
<output>9</output>

<gadget id="calculator">9 + 36</gadget>
<output>45</output>

<result>45</result>