and B start at the same time, at the same place, and in the same direction at a speed of 60 meters per minute. After walking for 10 minutes, A returns to the original place to pick up things, while B continues to move forward. It took 5 minutes for A to fetch things, and then changed to riding a bicycle to chase B at a speed of 360 meters per minute. How many minutes can A catch up with B?
甲、乙两人以每分钟60米的速度同时、同地、同向步行出发．走10分钟后甲返回原地取东西，而乙继续前进．甲取东西用去5分钟，然后改骑自行车以每分钟360米的速度追乙．甲多少分钟能追上乙？
<gadget id="calculator">10 + 10 + 5</gadget>
<output>25</output>

<gadget id="calculator">360 - 60</gadget>
<output>300</output>

<gadget id="calculator">25 / 300</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">60 * (1/12)</gadget>
<output>5</output>

<result>5</result>