Xiaohong reads a 409-page storybook. She has read it for 3 days and still has 184 pages left. How many pages do she read on average every day?
小红看一本409页的故事书，已经看了3天还余下184页，平均每天看多少页？
<gadget id="calculator">409 - 184</gadget>
<output>225</output>

<gadget id="calculator">225 / 3</gadget>
<output>75</output>

<result>75</result>