Ok. hello I am not new here, but somehow my account I think got deleted. I was dating someone on here and I don't know how to get a hold of him. Please help!

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236