Input (grade 11): Fifty of the mountains exceed 4,000 m with the highest, Monte Rosa, reaching to 4638 m, and there are numerous glaciers including several of the largest in the Alps.
Output (grade 8): Fifty of the mountains are more than 4,000 m high, with the highest, Monte Rosa, that reaches to 4,638 m (15,217 ft), and there are many glaciers.