@insertname537@shenanigansen Where did you get 1079869824 kph? I've always known it to be 1079252848.8 kph. Meaning 1 light year is that multiplied by the number of hours in a year, which on a normal year is 8760. 1 light year is 9,454,254,955,488 km. So a billion trillion light years is that with 21 zeroes.
@immovableAutism Nobody understands, it's not just PEMDAS that's important, but also that multiplication and division are basically the same and done left to right.