return value.multiply(factor).divide(other.factor, 6, RoundingMode.HALF_UP).stripTrailingZeros();
        }

        @Override
        protected List<Units<Q>> getUnitsForQuantity() {
            return baseUnits.getUnitsForQuantity();
        }

        @Override
        protected Units<Q> getBaseUnits() {
            return baseUnits;
        }

        @Override

            cachedFormattedString = doFormat();
        }
        return cachedFormattedString;
    }

    private String doFormat() {
        List<Units<Q>> allUnits = units.getUnitsForQuantity();
        BigDecimal base = normalised.abs();
        for (int i = allUnits.size()-1; i >= 0; i--) {
            Units<Q> candidate = allUnits.get(i);
            if (base.compareTo(candidate.getFactor()) >= 0) {