Two road-building teams worked together to build a road and finished it in 3 days. The first team repaired 120 meters, and the second team repaired 102 meters. On average, how many meters does the first team repair more than the second team every day? (Two ways to list the comprehensive formula solution)
两支修路队共同修一条路，3天修完．第一队修了120米，第二队修了102米．平均每天第一队比第二队多修多少米？(两种方法列综合算式解答)
<gadget id="calculator">120 / 3</gadget>
<output>40</output>

<gadget id="calculator">102 / 3</gadget>
<output>34</output>

<gadget id="calculator">40 - 34</gadget>
<output>6</output>

<result>6</result>