Xiepu Central School uses 280 degrees of water in September, 35 degrees more than in October. How much water does the school share in two months?
澥浦中心学校9月份用水280度，比10月份多用35度，请问该学校两个月共用水多少度？
<gadget id="calculator">280 - 35</gadget>
<output>245</output>

<gadget id="calculator">245 + 280</gadget>
<output>525</output>

<result>525</result>