Fun with number

Logic Level 2

$\large{\begin{array}{ccccccc} &&a & b & c& d & e&6\\ \times&& & & & & &4\\ \hline & & 6& a & b& c & d& e\\ \hline \end{array}}$

The above shows a cryptogram. Each of the letters represents a single digit, with $a\ne 0$ . Complete this cryptogram and submit your answer as the 6-digit integer, $\overline{abcde6}$ .