没有得到正确的输出

这可以编译，但是我得到错误的输出ex(5小时6/hr应该读30，但是我没有得到687 -----的答案，我将如何解决此问题以使其正常工作

this compiles but I am getting the wrong output ex( 5 hours 6/hr should read 30 but I am not getting that outcome I get 687----- for the answer how do I fix this to work properly

#include <iostream>
#include <string>
using namespace std;
class Employee {
private:
	const static int max_hours = 40;
	string firstName;
	string lastName;
	int hours[max_hours];
	int numhours;
	int wadges;
	
	
public:
	// First Name
	string getFirstName() { return firstName; }
	void setFirstName(string name) { firstName = name; }
	void retrieveFirstName() {
		string temp;
		cout << "First Name: ";
		cin >> temp;
		setFirstName(temp);
	}
	// Last Name
	string getLastName() { return lastName;	}
	void setLastName(string name) {	lastName = name; }
	void retrieveLastName() {
		string temp;
		cout << "Last Name: ";
		cin >> temp;
		setLastName(temp);
	}
	// Num hours
	int getnumhours() { return numhours; }
	void setnumhours(int hours){
	if (hours >= 0 && hours <= max_hours){
	
	}else  {
		hours = 0;
	}
	
	}
	
	void retrievehours() {
	cout << "How many hours? ";
	int temp;
	cin >> temp;
	setnumhours(temp);
	}
	// wadges
	int getwadges() {return wadges; }
	void setwadges(int wadges){}
	void retrievewadges(){
	cout << "What is your pay rate? " ;
	int temp;
	cin >> temp;
	setwadges(temp);
	
	}
	void retrieve() {
		retrieveFirstName();
		retrieveLastName();
		retrievehours();
		retrievewadges();
	
		
	}
		int grosspay(){
		int total;
		total = wadges * numhours;	
		
		
		return total ;
}	
};
int main() {
	Employee name;
	name.retrieve();
	cout << "Grosspay " << name.grosspay() << endl;
	system("pause");
	return 0;
}