Answer
17,897
Work Step by Step
$\ \overset{1\ }/\!\!\!2\overset{14\ }/\!\!\!5\overset{17\ }/\!\!\!8\overset{15\ }/\!\!\!6\overset{12}/\!\!\!2$
$\ \underline{-7\ 9\ 6\ 5}$
$\ 1\ 7\ 8\ 9\ 7$
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