Dolphinarium sold 344 tickets on the first day, 187 tickets in the morning of the second day, and 213 tickets in the afternoon. How many tickets were sold in two days?
海豚馆第一天卖出门票344张，第二天上午卖出187张，下午卖出213张．两天一共卖出多少张门票？
<gadget id="calculator">187 + 213 + 344</gadget>
<output>744</output>

<result>744</result>