String Parsing

#include <iostream>
#include <vector>

int ParseAndMultiplyNumbers(std::string inputString) {
    std::string num;
    std::vector<int> numbers;
    for (char ch : inputString) {
        if (isdigit(ch)) {
            num += ch;
        } else if (!num.empty()) {
            numbers.push_back(stoi(num));
            num = "";
        }
    }
    if (!num.empty()) {
        numbers.push_back(stoi(num));
    }

    int result = 1;
    for (int number : numbers) {
        result *= number;
    }
    return result;
}

int main() {
    // Call the function
    std::cout << ParseAndMultiplyNumbers("I have 2 apples and 5 oranges") << std::endl;
    return 0;
}