+ $iRndNum = max(0, round($aHouse['fhnr'] / $aHouse['step']) * $aHouse['step']);
+ $oResult->iHouseNumber = $aHouse['startnumber'] + $iRndNum;
+ if ($oResult->iHouseNumber > $aHouse['endnumber']) {
+ $oResult->iHouseNumber = $aHouse['endnumber'];
+ }