The average number of fruits per basket in five baskets is 25. If basket A contains 15 apples, B has 30 mangoes, C has 20 peaches, D has 25 pears and E has some bananas, how many bananas are in basket E?
Each basket contains an average of 25 fruits so the 5 baskets in all contain 25*5 = 
<gadget id="calculator">25*5</gadget>
<output>125</output>
125 fruits.
The number of apples, mangoes, peaches and pears is 15+30+20+25 = 
<gadget id="calculator">15+30+20+25</gadget>
<output>90</output>
90.
The remaining fruits are bananas and they are 125-90 = 
<gadget id="calculator">125-90</gadget>
<output>35</output>
35 in number.

<result>35</result>