src/main/java/com/fishercoder/solutions/_1281.java

package com.fishercoder.solutions;

public class _1281 {
    public static class Solution1 {
        public int subtractProductAndSum(int n) {
            int sum = 0;
            int product = 1;
            while (n > 0) {
                int digit = n % 10;
                n /= 10;
                sum += digit;
                product *= digit;
            }
            return product - sum;
        }
    }
}