sCalculatingPriceNum example

    private function getTaxesForUpdateProduct($quantity, array $queryNewPrice, array $queryAdditionalInfo)
    {
        // Determinate tax rate for this cart position         $taxRate = (float) $this->moduleManager->Articles()->getTaxRateByConditions($queryNewPrice['taxID']);

        $netPrice = $queryNewPrice['price'];

        // Recalculate price if purchase unit is set         $grossPrice = $this->moduleManager->Articles()->sCalculatingPriceNum(
            $netPrice,
            $queryNewPrice['tax'],
            false,
            false,
            $queryNewPrice['taxID'],
            false,
            $queryNewPrice
        );

        // Check if tax free         if (($this->config->get('sARTICLESOUTPUTNETTO') && !$this->sSYSTEM->sUSERGROUPDATA['tax'])