Saturday is the opening day of the Olympic Village. Many students came to visit. There were 570 students who came to visit in the morning, and 3 batches of 145 students who came to visit in the afternoon. How many students came to visit on Saturday?
星期六是奥运村开放的日子，许多学生来参观，上午来参观的学生有570人，下午来参观的学生分3批，每批有145人．星期六这一天来参观的学生一共有多少人？
<gadget id="calculator">145 * 3</gadget>
<output>435</output>

<gadget id="calculator">570 + 435</gadget>
<output>1_005</output>

<result>1_005</result>