杭电 HDU 1402 A * B Problem Plus JavaJ大数

<a target=_blank href="http://acm.hdu.edu.cn/showproblem.php?pid=1402">题目点击打开链接</a>

import java.math.BigDecimal;
import java.util.Scanner;


public class p1402 {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		BigDecimal A,B;
		while(sc.hasNext()){
			 A=sc.nextBigDecimal();
			 B=sc.nextBigDecimal();
			System.out.println(A.multiply(B));
			
		}
	}

}