The distance between the two places is 400 meters. Two people start from the two places at the same time and walk in opposite directions. After 5 minutes, the distance between the two is 960 meters. A walks 50 meters per minute, how many meters per minute does B walk?
两地相距400米，两人从两地同时出发向相反的方向而行，5分钟后两人相距960米，甲每分钟走50米，乙每分钟走多少米？
<gadget id="calculator">960 - 400</gadget>
<output>560</output>

<gadget id="calculator">560 / 5</gadget>
<output>112</output>

<gadget id="calculator">112 - 50</gadget>
<output>62</output>

<result>62</result>