## app.js ##
    $(document).ready(calculate);
        $(document).on("keyup", calculate);
        function calculate() {
            var sum = 0;
## php ##
            var value1 = $("#a_price").val();
            var value2 = $("#otherElemenet").val();
            $(".o-money__answer").each(function(){
                sum += parseFloat($(this).val()) * parseFloat(monetary_factor.replace(",", ".")) * parseFloat($(this).parent().find('input[type=hidden]').val());
            });
             $("#o-money__totalsum").html(sum.toFixed(2));
            }
            <form class="o-money__form" id="<?php echo $counter; ?>" method="post" action="#">
                        <?php $rows = get_field('pengar'); ?>
                        <?php if ($rows): ?>
                            <?php foreach($rows as $row): ?>
                                <div class="o-money__positionInput">
                                <div class="right50">
                                <label class="label labelInput">Antal <?php echo $row['typ_av_enhet']; ?></label>
                            </div>
                                <input type="text" value="" class="o-money__answer">
                                <input type="hidden" value="<?php echo $row['a_price'];?>">
                                </div>

                            <?php endforeach; ?>
                            <label id="o-money__totalsum"> 0</label>
                            </form>
                            <!-- <?php if(have_rows('pengar')):while(have_rows('pengar')) : the_row();
                            $a_price = get_sub_field('a_price');
                            $monetary_factor = get_field('monetary_factor', 'option');
                            ?> -->
                            <?php break; endwhile; endif; ?>
                        <?php endif; ?>
                    </form>
                </div>
            </div>