Xiao Ming leaves for school at 7:30 every morning. If you walk 60 meters per minute, you will be late for 3 minutes; if you walk 75 meters per minute, you can arrive at school 2 minutes earlier. How many meters is Xiao Ming's home from the school?
小明每天早上7点半就出发去上学．如果每分钟走60米，则会迟到3分钟；如果每分钟走75米，则可提前2分钟到校．小明家离学校有多少米．
<gadget id="calculator">60 * 66</gadget>
<output>3_960</output>

<result>3_960</result>