The leather shoe factory originally planned to produce 4,800 pairs of leather shoes, but now it needs to produce 600 more pairs, and it needs to be completed within 30 days. How many pairs should it produce per day on average?
皮鞋厂原计划生产皮鞋4800双，现在要多生产600双，而且要在30天内完工，平均每天要生产多少双？
<gadget id="calculator">4_800 + 600</gadget>
<output>5_400</output>

<gadget id="calculator">5_400 / 30</gadget>
<output>180</output>

<result>180</result>