The zoo's panda house sold 344 tickets on Wednesday, 187 tickets on the morning of Thursday, and 213 tickets in the afternoon. How many tickets were sold in these two days?
动物园熊猫馆星期三卖出344张门票，星期四上午卖出187张门票，下午卖出213张门票．这两天一共卖出多少张门票？
<gadget id="calculator">187 + 213 + 344</gadget>
<output>744</output>

<result>744</result>