Zhanqi School organizes grade 6 students from Zhanqi School to Xin'an Junior High School, walking for 1 hour and 40 minutes, 120 meters per minute. After visiting Xin'an Junior High School for 2 hours, it took 10 minutes to return to Zhanqi School by bus. How many meters did the bus travel per minute when returning?
战旗学校组织6年级同学从战旗学校到新安初中，去时走路1小时40分，每分钟走120米．在新安初中参观2小时后，乘公共汽车返回战旗学校用了10分钟，返回时公共汽车每分钟行驶多少米？
<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">120 * 10</gadget>
<output>1_200</output>

<result>1_200</result>