There were 652 tourists in the zoo in the morning, and 183 people left at noon. Another 204 people came in the afternoon. How many tourists were there in the park at this time?
动物园上午有游客652人，中午有183人离去．下午又来了204人，这时园内有多少游客？
<gadget id="calculator">652 - 183</gadget>
<output>469</output>

<gadget id="calculator">469 + 204</gadget>
<output>673</output>

<result>673</result>