Suppose, we recently discovered a new planet named Concordia. If for 15 degrees difference, the distance between Cansae City and and Cantabrigia City would have been 6050 stadia. According to Erasthosthenes' calculation, what would have been the circumference of Concordia? 5.45E5 stadia 2.45E5 stadia 4.45E5 stadia
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