Answer
$35R15$
Work Step by Step
$\ \ \ \ \ \ \ \ 35$
$19\bigr)\overline{680}$
$\ \ \ \ \ \ \underline{57}$
$\ \ \ \ \ \ \,110$
$\ \ \ \ \ \ \ \,\ \underline{95}$
$\ \ \ \ \ \ \ \ \ 15$
$(35\times19)+15=665+15=680\checkmark$
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