Hegang Primary School needs to order 6 sets of homework books for each student every semester. Now there are 680 people in the whole school ordering homework books. How many sets should be ordered in total?
禾冈小学每学期要为每个学生订6套作业本，现全校有680人订作业本，一共要订多少套？
<gadget id="calculator">6 * 680</gadget>
<output>4_080</output>

<result>4_080</result>