Complex sentence: By the end of the program on January 31,1965, approximately 2.4 million of 5.5 million eligible veterans had used their benefits: roughly 1.2 million for higher education, over 860,000 for other education purposes, and 318,000 for occupational training.
Split into simpler sentences: By the end of the program on January 31,1965, approximately 2.4 million of 5.5 million eligible veterans had used their benefits. Roughly 1.2 million had used them to enter higher education, over 860,000 for other education purposes, and 318,000 for occupational training.