Answer
579
Work Step by Step
$\ \ \ \ \ \ \overset378$
$\ \ \ \ \overset1107$
$\ \ \ \ \ \ 45$
$\ \ \ \ 217$
$\ \ \ \ \ \ \ \ 9$
$\underline{+\ 123}$
$579$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.