Xinhua Bookstore shipped in 530 books for children of all kinds, sold 185 books on the first day, and 218 books remained after the second day. How many books were sold on the second day?
新华书店运进各种少年儿童读物530本，第一天卖出185本，第二天卖了一天后还剩218本，第二天卖了多少本？
<gadget id="calculator">530 - 185 - 218</gadget>
<output>127</output>

<result>127</result>