Qingqing reads a 280-page storybook, reads 35 pages on the first day, and reads as much as the first day on the second day. How many pages are there yet?
青青看一本280页得故事书，第一天看了35页，第二天看的与第一天同样多．还有多少页没有看？
<gadget id="calculator">280 - 35 - 35</gadget>
<output>210</output>

<result>210</result>