Eight thousand(八千) is normally read as "yachi" or "hassen". It's also possible to read it as "yasen".
She's right.
Night BattleLet's eat beans according to the number of your own age~The Setsubun custom for bringing luck for the year to come.
Supplies are important
It's fine to calculate your age the way you like it.
Then, in Kaga's case-
1st CarDiv-ism
It's one million koku.
Koku (石) is a Japanese unit of volume historically defined as enough rice to feed one person for one year.
Kaga domain is the name of domain or han(藩) in Edo period; its agricultural yield was over 1,000,000 koku.
In another case, Koku (航空) is the Japanese military prefix for 'air' (aviation). 'Aircraft carrier' (航空母艦) (fitting for Kaga) and 'air group' (航空群) both have 'koku' in them.