The clothing store has 4,850 meters of cloth, and after making clothes for 12 days, there are 650 meters of cloth left that are useless. How many meters of cloth is used on average every day?
服装店有4850米布，做了12天衣服后，还剩650米布没用．平均每天用布多少米？
<gadget id="calculator">4_850 - 650</gadget>
<output>4_200</output>

<gadget id="calculator">4_200 / 12</gadget>
<output>350</output>

<result>350</result>