Geometry

Question Analysis
This question involves the application of the combination formula for repetitive selection.
The main focus is on correctly substituting the values of (number of gift types) and (number of gifts in the box) into the formula to find the number of combinations.

Key Concept Explanation
The formula is used when we can choose items from types of items with repetition allowed, and the order of selection doesn't matter.
It accounts for the increased number of possibilities when items can be repeated by adjusting the traditional combination formula.

Step - by - Step Solution
Calculate the factorials:

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