Woocommerce change total price of a varible product on quantity change

The objective is to CALCULATE TOTAL PRIZE MULTIPLIED by QUANTITY.
Below code works with simple products but not with VARIABLE PRODUCTS.
I was to able makeup to this.
The Problem is Variation Price is not getting multiplied.

<?php

add_filter( 'woocommerce_variable_price_html', 'bbloomer_variation_price_format_310', 10, 2 );

function bbloomer_variation_price_format_310( $price, $product ) {

// 1. Find the minimum regular and sale prices

$min_var_reg_price = $product->get_variation_regular_price( 'min', true );
$min_var_sale_price = $product->get_variation_sale_price( 'min', true );

// 2. New $price

if ( $min_var_sale_price < $min_var_reg_price ) {
$price = sprintf( __( 'From: <del>%1$s</del><ins>%2$s</ins>', 'woocommerce' ), wc_price( $min_var_reg_price ), wc_price( $min_var_sale_price ) );
} else {
$price = sprintf( __( 'From: %1$s', 'woocommerce' ), wc_price( $min_var_reg_price ) );
}

// 3. Return edited $price

return $price;
}
// 4. Multiplpier Section
add_action( 'woocommerce_single_product_summary', 'woocommerce_total_product_price', 31 );

function woocommerce_total_product_price()
{
global $woocommerce, $product;
// Divs
echo sprintf('

%s %s

',__('Product Total:','woocommerce'),'<span class="price">'.$product->get_price().'</span>');
?>

jQuery(function($)
{
//get price
var price = get_price(); ?>,
//get currency symbol
currency = '';

$('[name=quantity]').change(function(){
if (!(this.value
<?php
}
?>


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