Simplify the following text for a Grade 8 native English-speaking person.
Original: On the night of the 25th he was able to procure a musket , and survived for a few days by robbing gardens and taking the food of Aboriginals after frightening them away with his gun .
Simplified: He stole a musket , and lived by taking food from gardens and taking the food of Aboriginals after scaring them away with his gun .