Xiaoqiao conducted long-distance running training. She ran an average of 1.2 meters per day in the first 3 days, and a total of 5.15 meters in the last 4 days. How many meters does she run on average every day?
小巧进行长跑训练，前3天平均每天跑了1.2米，后4天共跑了5.15米．她平均每天跑多少米？
<result>1.75</result>