Hi, I am learning Lisp by Emacs

I must use MAPCAR and LAMBDA to make 2 lists and minus 2 lists.

Ex. (mapcar #'- '(1 2 3 4 5) '(7 8 9 10 11))

outcome: (-6 -6 -6 -6 -6)

But how do I have to use lambda for the minus function? I know I can use the way without lambda.

Thanks