There were 576 tourists in the playground in the morning, 225 people left at noon, and 456 people came in the afternoon. How many people came to the playground all day?
游乐场上午有游客576人，中午有225人离开，下午又来456人，全天游乐场内来了多少人？
<gadget id="calculator">576 + 456</gadget>
<output>1_032</output>

<result>1_032</result>