Menghitung gaji Karyawan Menggunakan C++

#include <iostream.h>
#include <conio.h>
#include <stdio.h>

main(){
int j_ank,jk,sts,pd,gapok,gator,gaber,pajak,t_istri,t_ank;
char nm[20];

cout<<"Nama Karyawan=";gets(nm);
cout<<"\n Jenis Kelamin (1=laki-laki, 2=perempuan)=";cin>>jk;
cout<<"\n Status (1=single, 2=menikah)=";cin>>sts;
cout<<"\n Pendidikan (1=D3, 2=S1, 3=S2)=";cin>>pd;
cout<<"\n Jumlah Anak=";cin>>j_ank;

if (pd==1)
gapok=500000;
if (pd==2)
gapok=750000;
if (pd==3)
gapok=1000000;
else
gapok=0;

if (sts==2 && jk==1)
t_istri=500000;
else
t_istri=0;

if (sts==2 && jk==1 &&(j_ank>=1 && j_ank<=2))
t_ank=200000*j_ank;
else
t_ank=0;

gator=gapok+t_istri+t_ank;
pajak=gator*0.05;
gaber=gator-pajak;

cout<<"\n Nama="<< nm;
cout<<"\n Gaji Pokok Karyawan="<< gapok;
cout<<"\n Gaji Kotor karyawan="<< gator;
cout<<"\n Pajak Karyawan="<< pajak;
cout<<"\n Gaji bersih Karyawan="<< gaber;
cout<<"\n Tunjangan Istri="<< t_istri;
cout<<"\n Tunjangan Anak="<< t_ank;

getch();}