Two road repairing teams worked together to build a road, and the road was completed in 3 days. The first team repaired 1200 meters, and the second team repaired 1020 meters. On average, how many meters does the first team repair more than the second team every day?
两个修路队共同修一条路，3天修完，第一队修了1200米，第二队修了1020米．平均每天第一队比第二队多修多少米？
<gadget id="calculator">1_200 - 1_020</gadget>
<output>180</output>

<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<result>60</result>