and B start from two places at the same time and walk toward each other. A walks 60 meters per minute and B walks 50 meters per minute. There was a puppy running back and forth between the two of them. The distance traveled by the puppy per minute is the sum of the distances traveled by A and B per minute. The distance between A and B is 1100 meters. How many meters did the puppy run when they met?
甲、乙两人从两地同时出发相向而行．甲每分钟走60米，乙分钟走50米．有一条小狗在两人之间往返跑个不停．小狗每分钟跑的路程是甲、乙两人每分钟所走路程之和．甲、乙两地相距1100米，问两人相遇时，小狗跑了多少米？
<gadget id="calculator">60 + 50</gadget>
<output>110</output>

<gadget id="calculator">1_100 / 110</gadget>
<output>10</output>

<gadget id="calculator">10 * 110</gadget>
<output>1_100</output>

<result>1_100</result>