Mingming wakes up at 6:40 in the morning, leaves home at 7:05, and arrives at school at 7:20. If he can ride 140 meters per minute, how many meters is the distance between his home and school?
明明早上6：40起床，7：05从家出发，7：20到达学校，如果他每分钟能骑140米，那么明明家与学校相距多少米？
<gadget id="calculator">15 * 140</gadget>
<output>2_100</output>

<result>2_100</result>