Seven FingersLogic Level 4
\[ \large \square\square\square \ \div \ \square\square \]
You are given that the numbers \(1,2,3,4\) and \(5\) are to be filled in the square boxes as shown above (without repetition) such that the expression above represent a ratio between a 3-digit integer and a 2-digit integer. Let the resultant number be denoted as \(N\). Find the sum of all possible integer value(s) of \(N\).