#include<iostream>
#include<iomanip>
using namespace std;
 
int main()
{
	double i = 0.546546, ii = 2.365463847698;
 
	cout << fixed;
	cout << setprecision(3) << i * ii << endl;
 
	return 0;
}

#include <cstdio>
#include <cstdlib>
#include <process.h>
#include <conio.h>
#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <time.h>
#include <math.h>
#include <string>
#include <windows.h>
using namespace std;
string str;
 
int main(int nNumberofArgs, char* pszArgs[]) {
//Coding starts here//
double P; //Product price//
double T = 0.07; //Tax for product//
double TP; //Total price after tax//
double TA; //Tendered//
double M; //Misc//
string choice; //After calc choice//
 
bridge: //The bridge of the program//
cout <<"                *------------------------------------------------*\n"
     <<"                | Welcome To The Automated Cash Register Program |\n"
     <<"                *------------------------------------------------*\n\n";
cout <<"Product price $";
cin >> P;
TP = (P * T) + P;//Calculates product price with tax *Here is the problem*//
cout <<"Total price $"<<TP<<endl;
cout <<"Out of $";
cin >> TA;
M=TA-TP;
cout <<"Change due $"<<M<<endl;
invalid:
cout <<"\n Type 'q' and hit enter to quit,\n"
     <<"or type 'c'and hit enter to continue: ";
cin >> choice;
if(choice=="q") {
return 0; }
 
if(choice=="c") {
system("CLS");
goto bridge; }
 
else {
cout <<"Invalid input, try again.";
goto invalid; }
 
 
}