Two engineering teams, A and B, excavate a 480-meter-long tunnel from both ends at the same time, and plan to complete it in 32 days. Team A plans to complete 7 meters per day, so how many meters does Team B need to complete every day?
甲、乙两个工程队同时从两端开凿一条长480米的隧道，计划32天完成．甲队计划每天完成7米，那么乙队每天需要完成多少米？
<gadget id="calculator">480 / 32</gadget>
<output>15</output>

<gadget id="calculator">15 - 7</gadget>
<output>8</output>

<result>8</result>