How do I multiply numbers from a text file together ?

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Java

I am currently trying to write a program which reads a text file through a Scanner and on the text file it has peoples names, products they sold and how much they sold products for, and I need the program to read the text file and multiply the numbers together for each person and print the total and I am struggling with how id multiply the numbers together. My current code is

Import java.util.Scanner;
/**
*
* @author Adam
*/
public class PractiseSplit {
    public static void main(String[] args) {
        Scanner Scan = new Scanner (NumberCount.class.getResourceAsStream("pay.txt
        //Scan.useDelimiter(" ^([A-Za-z]+)\\s([0-9]+)\\s([0-9]+)$ ");
        String [] Emma = Scan.split("A-Z
        
        System.out.println("Thes in the String are ");
        while (Scan.hasNext())
        {
            String temp = Scan.next();
            System.out.println(temp);
        }
    
    }
    
}

not sure if im going the best way about it but can anybody give me example code or point out where im going wrong
Thanks