#include <iostream>
using namespace std;
 
int main() {
    // your code goes here
    float panjang, lebar, luas;
 
    cout << "Program Menghitung Luas Persegi Panjang" << endl;
    cout << "=======================================" << endl;
 
    cout << "20: ";
    cin >> panjang;
 
    cout << "10: ";
    cin >> lebar;
 
    luas = panjang * lebar;
 
    cout << "Luas persegi panjang = " << luas << endl;
    cout << "Tiona Dwi Lestari Purba XII-J" << endl;
 
    return 0;
}

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20
10