Raw answer: '37.5%\n'
Ideal answer: '25%'
Grading detail: {'reward': 0.0, 'method': 'percentage_exact', 'submitted_percentage': '37.5', 'ideal_percentage': '25'}
Grading detail (not written to reward.json): {'reward': 0.0, 'method': 'percentage_exact', 'submitted_percentage': '37.5', 'ideal_percentage': '25'}
