Task: Question Answering
Input (English): Problem: john bought a total of 24 mangoes and oranges . each mango costs 80 cents and each orange costs 60 cents . if the average price of the 24 mangoes and oranges that john originally purchased was 65 cents , then how many oranges needs to return to raise the average price of his purchase to 72 cents ? 
Options: a ) 4 , b ) 5 , c ) 6 , d ) 7 , e ) 14
Output (English): e