As long as people have been using words.
66
510 divide by 52 using mental math and using long div = 9.807692307692308
31 divided by 4267 using long div = 0.0072650574173892665
Too long.
it was a long drive
A long time
Tool using.
how using a vaccine may give long term immunity to malaria
Tool-using
Tool-using
people have been using it forever