Output in one number

Hello I have a task to count the number of symbolic links (not regular files nor directories etc.) in directory
/bin having b as the first letter of their names.

>  find /bin -name "b*" -type l  -printf l  > list.txt

But it outputs

1111

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What should I do to change the output to one number (I mean 4) insted of these four 1?

>Solution :

To count correctly also symbolic links with line breaks:

find /bin -name "b*" -type l -printf "l" | wc -c >list.txt