Of course they're talking over the Japanese audio as Yoshi-P says the thing, but I did manage to catch a ni-sen in there, which would be 2,000. I'm assuming the preceding syllable was man, which would be 10,000, bringing us to 12,000.


In the same stream, he talks specifically about how the Crystal Tower was built by the Allagans after the split, and since that's delivered out-of-universe I believe we can consider that an objective truth as well.