Hongxing Garment Factory plans to produce 2,800 sets of summer school uniforms, and has been producing 80 sets per day for 5 days. The remaining 20 days will be completed, how many sets will be produced on average per day?
红星服装厂计划生产2800套夏季学生服，已经生产了5天，每天生产80套．剩下的20天完成，平均每天要生产多少套？
<gadget id="calculator">5 * 80</gadget>
<output>400</output>

<gadget id="calculator">2_800 - 400</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 / 20</gadget>
<output>120</output>

<result>120</result>