天文 てんもん がく てき数字 すうじではありませんでした
temmongakuteki sūjidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 天文学的数字

1. It was not an astronomical number.; It wasn't an astronomical figure.

Past/Perfective
Negative
Polite
Formal Register