<form action="/settings/store" method="POST">
{{ csrf_field() }}
<input type="text" name="age" placeholder="Укажите возраст" value="{{ old('age') }}" id="age">
<input type="text" name="fio" placeholder="Укажите ФИО">
<input type="textarea" name="about" placeholder="описание">
<input type="submit" value="Отправить">
</form>