Liangliang and grandma saved 260 yuan in September, 30 yuan less than in October. How much did they save in total in the two months?
亮亮和奶奶九月节余260元，比十月少节余了30元，两个月一共节余了多少元？
<gadget id="calculator">260 + 30 + 260</gadget>
<output>550</output>

<result>550</result>