Xiaojun goes to school by bicycle, driving 120 meters per minute, and arrives at school in 10 minutes. The speed when going home from school is 80 meters per minute. What is the average speed of Xiaojun going to and from school?
小军骑车去上学，每分钟行驶120米，10分钟到学校．放学回家时的速度是每分钟行驶80米．求小军往返学校的平均速度是多少？
<gadget id="calculator">120 * 10 * 2</gadget>
<output>2_400</output>

<gadget id="calculator">10 / 80</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">120 * (1/8)</gadget>
<output>15</output>

<gadget id="calculator">10 + 15</gadget>
<output>25</output>

<gadget id="calculator">2_400 / 25</gadget>
<output>96</output>

<result>96</result>