In response to the "Blue Sky and Clear Water" activity in a certain district, the District Garden Bureau arranged for tree planting in Longzhou Bay Park. The experimental middle school plans to plant 684 poplar trees, and a certain primary school plans to plant 76 pine trees. If each row of 19 trees is planted, how many rows will be planted in total?
为响应某区"蓝天碧水"活动，区园林局安排在龙洲湾公园植树．实验中学准备栽684棵杨树，某小学准备栽76棵松树，这些树如果每19棵栽一行，共要栽多少行？
<gadget id="calculator">684 + 76</gadget>
<output>760</output>

<gadget id="calculator">760 / 19</gadget>
<output>40</output>

<result>40</result>