There were 745 tourists in the wildlife park in the morning, 213 people left at noon, and 503 people came in the afternoon. How many tourists were there in the park at this time?
野生动物园上午有游客745人，中午有213人离去，下午又来了503人，这时园内有多少游客？
<gadget id="calculator">745 - 213</gadget>
<output>532</output>

<gadget id="calculator">532 + 503</gadget>
<output>1_035</output>

<result>1_035</result>