Input (grade 9): When the Spaniards arrived in 1492, the native population was estimated to be about 500,000. According to a census taken in 1507, the native population had been reduced to 60,000.
Output (grade 11): When the Spaniards came to the island in 1492, the native population was 400,000 (estimated) but in 1508 there were only 60,000 Indians.