The Institute of Zoology rescued 2 baiji dolphins of similar weight. Last week, they fed a total of 157.5 kilograms of live fish. How many kilograms of live fish were fed to each dolphin per day on average?
动物研究所救治了2只体重相近的白鳍豚，上周共喂食活鱼157.5千克，平均每只每天喂食活鱼多少千克？
<gadget id="calculator">157.5 / 7 / 2</gadget>
<output>11.25</output>

<result>11.25</result>