just use math (easy java solution)
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```java []
class Solution {
    public int reverseDegree(String s) {
        int sum = 0;
        for (int i = 0; i < s.length(); i++) 
            sum += ((26 - ((int)(s.charAt(i) - 'a'))) * (i + 1));
        return sum;
    }
}
```
['Math', 'String', 'Java']