
- -equals mass times
9.8 meters PER second PER second.
The Big Bang Theory Season 3, Episode 10

Four-point-one-eight-five-five times 10
to the seventh ergs PER calorie.
The Big Bang Theory Season 1, Episode 13

Eighteen parts PER million.
The Big Bang Theory Season 8, Episode 9

of 4.6 yoctometers
PER femtosecond.
The Big Bang Theory Season 5, Episode 18

200 million euros printed PER day.
Money Heist Season 1, Episode 8