On October 1, there were 985 tourists in Guangzhou Zoo in the morning, 541 people left at noon, and 235 people came in the afternoon. How many tourists were there in Guangzhou Zoo at this time?
10月1日上午广州动物园有游客985人，中午走了541人，下午又来了235人，这时广州动物园里有多少游客？
<gadget id="calculator">985 - 541</gadget>
<output>444</output>

<gadget id="calculator">444 + 235</gadget>
<output>679</output>

<result>679</result>