<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.inputmask/3.2.6/jquery.inputmask.bundle.min.js"></script>
<div style="margin:10px;">
<label for="exchange">Choose a currency:</label>
<select name="exchange" id="exchange" class="form-control">
<option selected disabled>Choose</option>
<option value="1">USD</option>
<option value="2">Euro</option>
<option value="3">Pound</option>
<option value="4">TL</option>
</select>
</div>
<div style="margin:10px;">
<label>Price:</label>
<input type="text" class="form-control text-left monerate" id="price1" name="price1" placeholder="₺ 0.00" data-inputmask="'alias': 'numeric', 'groupSeparator': ',', 'autoGroup': true, 'digits': 2, 'digitsOptional': false, 'placeholder': '0'" />
</div>
</div>