Xiaohong collected 436 mineral water bottles, and Xiaohua collected 388. How many water bottles did the two collect together?
小红收集了436个矿泉水瓶，小华收集了388个．两人一共收集了多少个水瓶？
<gadget id="calculator">436 + 388</gadget>
<output>824</output>

<result>824</result>