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.
