A full gross number

Question

I noticed in my Steam inventory the following card:

Half Gross

A full gross is greater than 99, but we can do with half.

_{(the image shows the number $ 72 $)}

What is a full gross number? Google results just show me the gross bill amount/gross weight etc. terms, but not the number.

Answer 1

A gross is a dozen dozen, or 144. It's an antiquated unit.

Answer 2

According to wikipedia,

In English and related languages several terms involving the word gross relate to numbers involving multiples of exponents of 12 (dozen).

A Gross refers to a collection of 144 items (a dozen dozen items).

A Great Gross refers to a collection of 1728 items (a dozen dozen dozen items).

A Small Gross refers to a collection of 120 items.

Hope this helps you.