Enter time (h): <input type="text" name="time" value=<?php echo $_REQUEST['time']; ?> ><br> Enter distance (km): <input type="text" name="distance" value=<?php echo $_REQUEST['distance']; ?> ><br> Enter max speed (km/h): <input type="text" name="maxSpeed" value=<?php echo $_REQUEST['maxSpeed']; ?> ><br> Enter number of wheels: <input type="text" name="wheelsNum" value=<?php echo $_REQUEST['wheelsNum']; ?> ><br> <input type="radio" name="speedType" value="km/h" <?php echo $_REQUEST['speedType'] == "km/h" ? 'checked' : ''; ?> >Km/h<br> <input type="radio" name="speedType" value="m/s" <?php echo $_REQUEST['speedType'] == "m/s" ? 'checked' : ''; ?> >M/s<br> <input type="submit" value="Calculate"> </form> <?php $car = new CCar($_REQUEST['carName'], $_REQUEST['carcase'], $_REQUEST['time'], $_REQUEST['distance'], $_REQUEST['maxSpeed'], $_REQUEST['wheelsNum'], $_REQUEST['speedType']); $car->setCarSpeed($_REQUEST['time'], $_REQUEST['distance'], $_REQUEST['speedType']); echo "Current speed is " . $car->getCarSpeed() . " " . $car->getSpeedType() . ".";