Rambling on and on
Logic
Level
2
\[ \large{\begin{array}{ccccccc} && & & & & 2 &\square\\ \times && & & & &\square &2\\ \hline & & & & 2 & \square & \square&\square\\ \hline \end{array}} \]
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.
by
Pi Han Goh