The Science and Technology Museum received 3 batches of students in the morning, with an average of 210 students in each batch, and 354 students in the afternoon. How many students visited the Science and Technology Museum on this day?
科技馆上午接待了3批学生，平均每批210人，下午接待了354个学生．科技馆这一天一共有多少学生参观？
<gadget id="calculator">210 * 3</gadget>
<output>630</output>

<gadget id="calculator">630 + 354</gadget>
<output>984</output>

<result>984</result>