and B start to work on the same day. The company stipulates that: A has one day off after every 3 days of work, and B has three consecutive days off after every 7 days of work. how many days.
甲、乙二人从同一天开始工作，公司规定：甲每工作3天后休息1天，乙每工作7天后连续休息3天，则在开始的前1000天中，甲、乙同一天休息的日子有多少天．
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<result>100</result>