St. Ives Problem/Fibonacci Variant

Classic Problem

 * $7$ old women are travelling to Rome.
 * Each old woman has $7$ mules.
 * On each mule are $7$ sacks.
 * In each sack are $7$ loaves of bread.
 * In each loaf are $7$ knives.
 * Each knife has $7$ sheaths.

What is the total of all of these?

Solution
Thus we have:

As with the St. Ives Problem, the total can be calculated using the Sum of Geometric Sequence: