On Sunday, there were 637 tourists in a park in the morning, 269 people left at noon, and 238 people came in the afternoon. How many people are there in the park at this time?
星期天某公园上午有游客637人，中午有269人离去，下午又来了238人．这时公园有多少人？
<gadget id="calculator">637 - 269</gadget>
<output>368</output>

<gadget id="calculator">368 + 238</gadget>
<output>606</output>

<result>606</result>