算術 さんじゅつ乗算 じょうざんじゃなかったです
sanjutsu jōzanjanakattadesu

Noun
Desu Copula

The polite, past negative form of 算術乗算

1. Wasn't arithmetic multiplication.; Wasn't a calculation.

Past/Perfective
Negative
Polite
Casual Register
Computing