Answer
2820
Work Step by Step
$\ \ \ \overset3/\!\!\!4\overset9/\!\!\!0\overset{10}00$
$\underline{-118\,0}$
$\ \ \ 282\,0$
$\ \ \ \overset12\overset1820$
$\underline{+1180}$
$\ \ \ 4000$
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