Usage: ./manage.py groups math multiply [OPTIONS] NUMBER1 NUMBER2 NUMBERS...

  Multiply the given numbers.

Arguments:
  NUMBER1     The first number.  [required]
  NUMBER2     The second number.  [required]
  NUMBERS...  The list of numbers to multiply: n1*n2*n3*...*nN.   [required]

Options:
  --help  Show this message and exit.
