<html>
<h2>Kalkulator Średniego Spalania na 100 km</h2>
<form>
<br>
Spalone paliwo w litrach : <input type="text" name="litr"></input>
<br>
Ilosć przejechanych kilometrów : <input type="text" name="km"></input>
<br>
Cena litra paliwa (opcjonalnie) : <input type="text" name="cena"></input>
<br>
<input type="submit" value="LICZ"></input>
</form>
<?php
if (empty($_GET["cena"]));
$litr = (int)
$km = (int)
$cena = (int)
$litr = $_GET["litr"];
$km = $_GET["km"];
$cena = $_GET["cena"];
$iloraz = $litr/($km/100);
echo "Spalanie wynosi " . $iloraz . " litrów na 100 kilometrów <br>";
if (isset($_GET["cena"]));
$litr = $_GET["litr"];
$km = $_GET["km"];
$cena = $_GET["cena"];
$litr = (int)
$km = (int)
$cena = (int)
$ilorazz = $litr/($km/100);
$iloraz1 = ($litr * $cena) / $km;
$iloraz100 = ($litr * $cena) / ($km/100);
$ilorazKM = $litr * $cena;
echo "Koszt przejechania 1 kilometra wynosi " . $iloraz1. " złotych <br>";
echo "Koszt przejechania 100 kilometrów wynosi " . $iloraz100. " złotych <br>";
echo "Koszt przejechania " . $km . " kilometrów wynosi " . $ilorazKM. " złotych <br>";
?>
</html>
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