ZZULIOJ 1135: 算菜价，Java

1135: 算菜价

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
    Scanner cin = new Scanner(System.in);double ans=0;while(cin.hasNext()){
    String str=cin.next();double w=cin.nextDouble();double p=cin.nextDouble();ans+=w*p;}System.out.printf("%.1f",ans);}
}