gongzi.h

#pragma once

#include <iostream>

using namespace std;

float  gz(float, float);

float gz(float a)

{

float kou = 0.87;

float gz = a * kou;

return  gz;

}

税后工资.cpp

#include <iostream>

#include "gongzi.h"

using namespace std;

int main()

{

float  a;

cout << "请输入工资" << endl;

cin >> a;

gz(a);

cout << "税后工资=" << gz(a) << endl;

return 0;

}