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help with calculator

moot1 (259)
in this calculator say i enter 3 to multiply it works fine...but if i press 1 to restart and then multiply again it gives me the wrong answer...why?
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#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    int Total = 0;
	int Amount;
	int Number;
	int whatoperation;
	int answertoaverage;
	int restart;

	while (restart) {
    system("CLS");

	cout << "Here are your choices(enter the number before the operation)" << endl << endl;
	cout << "1.Addition" << endl;
	cout << "2.Subtraction" << endl;
	cout << "3.Multiplication" << endl;
	cout << "4.Division" << endl;
	cout << "5.Average Calculator" << endl;

	cin >> whatoperation;

	system("CLS");

	switch(whatoperation){
    case 1:
    cout << "Enter in how many numbers you want to use" << endl;
	cin >> Amount;

	for(int i = 0; i < Amount; i++)   // Keeps looping until i == Amount
	{
		cout << "Number " << i << ": " ;  // Shows user what number they are entering
		cin >> Number;

		Total = Number + Total;  // Adds number to total
	}

	cout << "The total is " << Total << endl;  // Prints out total value when loop has finished
	break;

	case 2:
	cout << "Enter in how many numbers you want to use" << endl;
	cin >> Amount;

	for(int i = 0; i < Amount; i++)
	{
		cout << "Number " << i << ": " ;
		cin >> Number;

		if(i == 0)
		{
			Total = Total + Number;
		}

		else
		{
			Total = Total - Number;
		}
	}

	cout << "The total is " << Total << endl;
	break;

	case 3:
	cout << "Enter in how many numbers you want to use" << endl;
	cin >> Amount;

	for(int i = 0; i < Amount; i++)
	{
		cout << "Number " << i << ": " ;
		cin >> Number;

		if(i == 0)
		{
			Total = Total + Number;
		}

		else
		{
			Total = Total * Number;
		}
	}
	cout << "The total is " << Total << endl;
	break;

	case 4:
	cout << "Enter in how many numbers you want to use" << endl;
	cin >> Amount;

	for(int i = 0; i < Amount; i++)
	{
		cout << "Number " << i << ": " ;
		cin >> Number;

		if(i == 0)
		{
			Total = Total + Number;
		}

		else
		{
			Total = Total / Number;
		}
	}
	cout << "The total is " << Total << endl;
	break;
	case 5:
	cout << "Enter how many numbers you want to find the average of: ";
	cin >> Amount;

	for(int i = 0; i < Amount; i++)
	{
	    cout << "Number " << i << ": " ;
		cin >> Number;

		Total = Number + Total;
	}
	answertoaverage = Total / Amount;
	cout << "The average of those " << Amount << " numbers is " << answertoaverage << endl;
}
	cout << "enter 1 to restart or 2 to quit: ";
	cin >> restart;
	if(restart == 1){
    }else{
        break;
    }

    }

    cin.get();
	return 0;
}
moot1 (259)
oh i just realized it adds to the answer you got before...how do i change that
WhiteWind (103)
1
2
 
cout << "The answer is " << Answer;
Answer = 0;
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