Woocommerce，将总价格添加到产品中

Question

此链接http://rouge.amplab.com.ph上的嗨

我想知道如何将总价格加到3或6的盒子中，甜甜圈的产品定价是不同的，例如：我选择3的盒子->选择1-3的甜甜圈，即$ 95 + $ 95 + $ 95。如何将其添加到我的3盒装中，总价格为285美元。

     $.ajax({
        dataType: "json",
        url: url,
        success: function(data) {
            ***********some stuffs for appending data in to html ****
      }

function addToCart()
{
    var el = document.getElementById("AddToCartBtn");
    var spanElem = document.getElementById("AddToCart-Span");
    var check_el = document.getElementById("AddToCart-Icon");

    setTimeout(function(){
        check_el.setAttribute('class', "fas fa-check"); 
        spanElem.innerHTML = "SUCCESSFULLY ADDED!"; 
        el.setAttribute('class', "btn btn-success btn-block"); }, 1500);

    setTimeout(function(){
        check_el.setAttribute('class', "fas fa-shopping-cart"); 
        spanElem.innerHTML = "ADD TO CART"; el.setAttribute('class', "btn btn-warning btn-block");}, 2500);

        var test_wew = constructOrders();
        var boxDealQty = 0;
        var chosenBoxDeal = 0;

        if(jQuery('.box-of-3-active').length > 0)
        {
            chosenBoxDeal = 125;
            boxDealQty = jQuery('.input-boxof-3').val();
        }
        else if(jQuery('.box-of-6-active').length > 0)
        {
            chosenBoxDeal = 126;
            boxDealQty = jQuery('.input-boxof-6').val();
        }
        
        console.log(test_wew);

        jQuery.ajax({
            type: 'post',
            url: 'index.php',
            data: { 
                    'SelectedFlavors': test_wew,
                    'testqty' : boxDealQty,
                    'chosenboxdeal' : chosenBoxDeal
            },
            success: function () {
                console.log("Added To Cart");
            },
            error: function () {
                alert("error");
            }
        });

        resetFieldsAll();
        isActivePatis = false; 
        isActiveCotabato = false;
        isActiveCalamansi = false;
        isActiveLemonMeringue = false;
        isActiveUbeCheese= false;
        isActiveHazelButternut = false;
}