Purchase cost of one attack class submarine.
https://www. naval-technology.com/news/australias-attack-class-submarine-programme-to-cost-152bn/

In comparison, the total federal government annual spend on education is about $36BILLION, or on reducing greenhouse emissions is about $1.7BILLION.

But hang on, we're ordering 12 underwater death machines and maintenance is expected to cost $145BILLION until 2080 .

So about AU$225BILLION total project cost.

That's BILLION, not MILLION....