> # Output
> 1 + 2
[1] 3

> invisible(1:10)
> 12345678 + 12345678 + 12345678 + 12345678 + 12345678 + 12345678 + 12345678 +
+ 12345678 + 12345678 + 12345678 + 12345678
[1] 135802458

