The distance between the south and north bridgeheads of the Nanjing Yangtze River Bridge is about 1560 meters. Honghong and Junjun set off from the south and north bridgeheads at the same time, facing each other. Honghong walks 57 meters per minute, and Junjun walks 63 meters per minute. After a few minutes, the two meet? (solution by equation)
南京长江大桥的南、北两个桥头堡间大约相距1560米．红红和军军分别从南、北桥头堡同时出发，相对而行．红红每分钟行57米，军军每分钟行63米，经过几分钟两人相遇？(用方程解)
<gadget id="calculator">57 + 63</gadget>
<output>120</output>

<gadget id="calculator">1_560 / 120</gadget>
<output>13</output>

<result>13</result>