/**
* We use this to convert every number to decimal for calculations.
*/
protected function decimalValue()
{
$base = $this->numberSystem->getBase();
$result = 0;
foreach (array_reverse($this->getDigits()) as $position => $value) {
$numberSystemPosition = $this->numberSystem->getSymbolPosition($value);
$result += $numberSystemPosition * pow($base, $position);
}
return $result;
}
