Meihua Garment Factory plans to produce 3,800 pieces of transport clothing. It has been working for 12 days, with an average of 210 pieces per day. If the rest is 160 pieces per day, how many days will it take to complete?
美华服装厂计划生产3800件运服，已经工作12天，平均每天做210件，剩下的如果每天做160，还算需要几天完成？
<gadget id="calculator">210 * 12</gadget>
<output>2_520</output>

<gadget id="calculator">3_800 - 2_520</gadget>
<output>1_280</output>

<gadget id="calculator">1_280 / 160</gadget>
<output>8</output>

<result>8</result>