The school plans to purchase 28 VCD players, with an average of 630 yuan per VCD player. How much is the total cost?
学校计划购买28台VCD机，平均每台VCD机630元，共需要多少元？
<gadget id="calculator">630 * 28</gadget>
<output>17_640</output>

<result>17_640</result>