The students in the third grade collected mineral water bottles. They collected 360 on the first day, 210 in the morning on the second day, 180 in the afternoon, and 300 on the third day. How many mineral water bottles did the third grade collect on average every day? ?
三年级的同学去收集矿泉水瓶，第一天收集了360个，第二天上午收集了210个，下午收集了180个，第三天收集了300个，三年级平均每天收集了多少个矿泉水瓶？
<gadget id="calculator">360 + 210 + 180 + 300</gadget>
<output>1_050</output>

<gadget id="calculator">1_050 / 3</gadget>
<output>350</output>

<result>350</result>