Rambling on and on

Logic Level 3

$\large{\begin{array}{ccccccc} && & & & & 2 &\square\\ \times && & & & &\square &2\\ \hline & & & & 2 & \square & \square&\square\\ \hline \end{array}}$

Above shows an incomplete long multiplication with each boxes represent a distinct single digit positive integer other than 2. Find the sum of values of all the missing numbers.