Two people, A and B, race around a circular square with a circumference of 1000 meters. It is known that A walks 120 meters per minute, and B walks 130 meters per minute. point?
甲、乙二人绕周长为1000米的环形广场竞走，已知甲每分走120米，乙每分走130米，现在甲、乙同时同地同向出发，问乙追上甲需要多少分？
<gadget id="calculator">130 - 120</gadget>
<output>10</output>

<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<result>100</result>