IF you want to convert GPAs somehow, try this link:
However, I advice against doing so in apps.
On the original subject, I don't think the GMAT report GPA will be considered at all.
On the French discussion: mais non! ce n'est pas possible! c'est incroyable! Pour quoi tu as fait comme ca?
(I find French language an ideal language to complain. I don't know why, but I just do.)