(SD Offline multiply two numbers upto a limit

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  </head>
  <body style="text-align:center">
    <div class="container">
      <h2>SD LAB IV - ASSIGNMENT : 1</h2>
      <form method="post" enctype="multipart/form-data">
        <div class="form-group">
          <label for="multiplicand">ENTER MULTIPLICAND :</label>
          <input style="text-align:center" type="number" class="form-control" id="multiplicand" placeholder="ENTER MULTIPLICAND" name="multiplicandField" required>
        </div>
        <div class="form-group">
          <label for="multiplierL">ENTER LOWEST VALUE OF MULTIPLIER :</label>
          <input style="text-align:center" type="number" class="form-control" id="multiplierL" placeholder="ENTER LOWEST MULTIPLIER" name="multiplierFieldL" required>
        </div>
        <div class="form-group">
          <label for="multiplierH">ENTER HIGHEST VALUE OF MULTIPLIER :</label>
          <input style="text-align:center" type="number" class="form-control" id="multiplierH" placeholder="ENTER HIGHEST MULTIPLIER" name="multiplierFieldH" required>
        </div>
        <button type="submit" class="btn btn-primary" name="submitButton">SUBMIT</button>
        <button type="reset" class="btn btn-danger" name="resetButton">RESET</button>
      </form>
    </div>
    <?php
     if (isset($_POST["submitButton"]))
     {
          $getMultiplicand = $_POST["multiplicandField"];
          $getMultiplierL   = $_POST["multiplierFieldL"];
          $getMultiplierH = $_POST["multiplierFieldH"];
          echo "<div class=\"container\" style=\"text-align:center\">";
          echo "<br>" . "<h3>" . "RESULT TABLE" . "</h3>" . "<br>";
          echo "<table class=\"table table-striped table-bordered table-condensed table-responsive table-hover\">";
          echo "<thead>";
          echo "<tr>";
          echo "<th style=\"text-align:center\">MULTIPLICAND</th>";
          echo "<th style=\"text-align:center\">MULTIPLIER</th>";
          echo "<th style=\"text-align:center\">RESULT</th>";
          echo "</tr>";
          echo "</thead>";
          echo "<tbody>";
          for ($i = $getMultiplierL ; $i <= $getMultiplierH ; $i++)
          {
             $result = $getMultiplicand * $i;
             echo "<tr>";
              echo "<td>" . $getMultiplicand . "</td>";
              echo "<td>" . $i . "</td>";
              echo "<td>" . $result . "</td>";
              echo "</tr>";
          }
          echo "</tbody>";
          echo "</table>";
          echo "</div>";
      }
      ?>
  </body>
</html>