On January 1, 907 tourists came to Wenzhou Paradise in the morning, 352 tourists left at noon, and 249 tourists came in the afternoon. How many tourists were there in Wenzhou Paradise at this time?
1月1日温州乐园上午来了907位游客，中午走了352位，下午又来了249位，这时温州乐园内有多少位游客？
<gadget id="calculator">907 - 352</gadget>
<output>555</output>

<gadget id="calculator">555 + 249</gadget>
<output>804</output>

<result>804</result>