502 people came to the amusement park in the morning, 199 people left at noon, and 268 people came in the afternoon. How many people are there in the amusement park now?
游乐园上午来了502人，中午有199人离去，下午又来了268人．现在游乐园共有多少人？
<gadget id="calculator">502 - 199</gadget>
<output>303</output>

<gadget id="calculator">303 + 268</gadget>
<output>571</output>

<result>571</result>