Input (grade 13): In 326 BCE, most of the dozen-odd political units of the former Gandhara/Kamboja Mahajanapadas were conquered by the Macedonian conqueror.
Output (grade 11): In 326 BC, most of these twelve or so countries that used to be in the Gandhara Kamboja Mahajanapadas were conquered by the Macedonian conqueror.