There were 587 tourists in the zoo in the morning, 239 people left at noon, and 125 tourists came in the afternoon. How many visitors are there in the park at this time?
动物园上午有游客587人，中午有239人离去，下午又来了125位游客．这时园内有多少位游客？
<gadget id="calculator">587 - 239</gadget>
<output>348</output>

<gadget id="calculator">348 + 125</gadget>
<output>473</output>

<result>473</result>