package src;

import java.util.Scanner;

public class Math {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int num1=0;
		int num2=0;
		int number=0;
		System.out.println("计算器");
		System.out.println("请输入第一个数：");
		num1=scanner.nextInt();
		System.out.println("请输入第二个数：");
		num2=scanner.nextInt();
		System.out.println("请输入运算符号：");
		String shu=scanner.next();
		switch (shu){
		    case "+":
		        number=num1+num2;
		        System.out.println(num1+"+"+num2+"="+number);
		        break;
		    case "-":
		        number=num1-num2;
		        System.out.println(num1+"-"+num2+"="+number);
		        break;
		    case "*":
		        number=num1*num2;
		        System.out.println(num1+"*"+num2+"="+number);
		        break;
		    case "/":
		        number=num1/num2;
		        System.out.println(num1+"/"+num2+"="+number);
		        break;
		    default:
		        System.out.println("请输入正确的运算符号+、-、*、/");
		}
		
	}

}