The school track and field team conducted long-distance running training. Last week, they ran a total of 3.6 kilometers in the first 3 days and 5.15 kilometers in the last 4 days. How many kilometers did the school track and field team run on average every day last week?
学校田径队进行长跑训练，上周前3天共跑了3.6千米，后4天共跑了5.15千米．上周学校田径队平均每天跑多少千米？
<gadget id="calculator">3.6 + 5.15</gadget>
<output>8.75</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">8.75 / 7</gadget>
<output>1.25</output>

<result>1.25</result>