Love Fairy Clothing Factory received the task of producing 4,800 pieces of children's clothing, and produced 1,920 pieces in the first 6 days. Based on this work efficiency calculation, how many days will it take to complete this production task?
恋精灵服装厂接到生产4800件儿童服装的任务，前6天生产了1920件．照这样的工作效率计算，完成这项生产任务一共需要多少天？
<gadget id="calculator">1_920 / 6</gadget>
<output>320</output>

<gadget id="calculator">4_800 / 320</gadget>
<output>15</output>

<result>15</result>