package com.swift;

import java.util.Scanner;

public class PurchaseTaxDecimalsTwo {

public static void main(String[] args) {

Scanner scan=new Scanner(System.in);//扫描工作台输入
double purchaseAmount=scan.nextDouble();//输入数值赋值 购买额变量
System.out.println(purchaseAmount);
double taxRate=0.06;//税率
double tax;
tax=purchaseAmount*taxRate;//税 多位小数
System.out.println(tax);
System.out.println((int)(tax*100));//乘100除100.0保留2位小数
System.out.println((int)(tax*100)/100.0);//不能除100
}

}

05-11 13:52