Instructions: You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into Hebrew.
Input: Os cientistas da Global Footprint Network, por exemplo, calculam que precisaríamos de cerca de 1,5 Terras para sustentar esta economia.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
המדענים הדגולים של "" הרשת העולמית לטביעות רגל אקולוגיות "", לדוגמה, חישבו שאנחנו צריכים בערך 1.5 כדורי-ארץ כדי לקיים כלכלה זו.