It's 14.
i can see how some people would get annoyed by this
I'll back you answer
IF and only if the number of fruit given pertains to the value, such as:
1 apple = 10
4 bananas = 4 == 1 banana = 1
2 coconut = 2 == 1 coconut = 1
So on the given question,
We are asked to find the value of 1 apple, 3 bananas and 1 coconut which is what he said,
14--------
But if we look at it in another way, the symbols used in the question has no value because it wasn't the same as what was given before.
Therefore there can be two answers,
14 or
No answer