Roman numerals addition

Compute the sum of a list of integers written in Roman numerals.

Example 1:
Input: I + II
Output: 3.
Explanation: I + II = 1 + 2 = 3
Example 2:
Input: XXXVIII + IV + XXV
Output: 67.
Explanation: XXXVIII + IV + XXV = 38 + 4 + 25 = 67
Example 3:
Input: MCLXVI + DCCCXXVI + MMMCXCIX
Output: 5191.
Explanation: MCLXVI + DCCCXXVI + MMMCXCIX = 1166 + 826 + 3199 = 5191

Constraints

The number of roman numerals contained in INPUT is greater than 0 and less than 100.
Roman numerals in INPUT are separated by a "+" sign.
Roman numerals are always positive.
0 (zero) does not exists in roman numerals.

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Rankings:

	Pseudo	Accuracy	Tokens
1	d20233c3-2ba6-4caf-9073-6f30ba85d435	75%	5380

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PromptOK

In PromptOK, you design prompt templates that guide generative AI to solve a specific task efficiently, reliably, and consistently. The "Roman numerals addition" task is to...

Compute the sum of a list of integers written in Roman numerals.

Here's an example of a first prompt template for this task:

Sum { INPUT }.

Try it out! Click the glowing COPY button.