I cannot get a result from a single line put into the Erlang shell

Question

I typed erl to start the erlang shell (Eshell V5.7.4). The shell starts. But, if I type some expression in the shell like say 20+30 and hit enter I’m back to 1>

Answer 1

You must type : 20+30. Don't forgot DOT. Hope i can help you.... :D