        uint256 _noOfDays = (block.timestamp -
            _communityProject.lastTimestamp) * SCALAR / 86400; // 24*60*60


        /// Interest formula = (principal * APR * days) / (365 * 1000)
        // prettier-ignore
        uint256 _unclaimedInterest = 
                _lentAmount *
                _communities[_communityID].projectDetails[_project].apr *
                _noOfDays /
                365000 /
                SCALAR;
uint256 _unclaimedInterest = 
                _lentAmount *
                _communities[_communityID].projectDetails[_project].apr *
                (block.timestamp -
            _communityProject.lastTimestamp) /
                365000 /
                86400;
