Answer
998,911 were read.
The goal was not reached.
1089 more need to be read.
Work Step by Step
$\ \ \ \overset12\overset28\overset19\overset34\overset262$
$\ \ \ 369477$
$\ \ \ 218287$
$\underline{-121685}$
$\ \ \ \,998911$
$\ /\!\!\!1\overset90\overset90\overset90\overset90\overset90\overset{10}0$
$\underline{-998911}$
$\ \ \ \ \ \ \ 1089$