programcalculatorsimple

import java.util.Scanner;


public class CheapCalculator {
	private static double a,b;
	private static String operator;

	public static void main(String[] args) {

		Scanner kb= new Scanner(System.in);

		System.out.print("Enter a binary arithmetic expression, with spaces between operands and operator.\n\n");
		a= kb.nextDouble();
		operator = kb.nextLine();
		b = kb.nextDouble();
	    //ask user to input arithmetic
		if (operator.equals("*"))
			{
			double multiply= a*b;
			System.out.println(multiply);
			}
		else if (operator.equals("/"))
			{
			double divide= a/b;
			System.out.println(divide);
			}
		else if (operator.equals("+"))
			{
			double add=a+b;
			System.out.println(add);
			}
		else if (operator.equals("-"))
			{
			double subtract= a-b;
			System.out.println(subtract);
			}
		else if (operator.equals("%"))
			{
			double remainder=a%b;
			System.out.println(remainder);
			}
		else
			{
			System.out.printf("Sorry dont know operator %s", operator);
			}

	}

}