1,000-meter-long mountain road was repaired by engineering team A for 10 days, with an average of 60 meters per day. Later, engineering team B took over and continued to repair it, and it was completed in 4 days. How many meters was repaired by engineering team B per day?
一条长1000米的山路，甲工程队修了10天，平均每天修60米，后来由乙工程队接手继续修，4天完工，乙工程队平均每天修多少米？
<gadget id="calculator">60 * 10</gadget>
<output>600</output>

<gadget id="calculator">1_000 - 600</gadget>
<output>400</output>

<gadget id="calculator">400 / 4</gadget>
<output>100</output>

<result>100</result>