The distance between A and B is 3300 meters. A and B are walking toward each other from the two places at the same time. A travels 80 meters per minute, and B travels 85 meters per minute. They have traveled for 15 minutes. How many more minutes will they have to meet?
A、B两地相距3300米，甲、乙两人同时从两地相向而行，甲每分钟行80米，乙每分钟行85米，已经行了15分钟，还要行多少分钟才能相遇？
<gadget id="calculator">80 + 85</gadget>
<output>165</output>

<gadget id="calculator">165 * 15</gadget>
<output>2_475</output>

<gadget id="calculator">3_300 - 2_475</gadget>
<output>825</output>

<gadget id="calculator">825 / 165</gadget>
<output>5</output>

<result>5</result>