Mojo, a private company, is considering whether to go public. Mojo's earnings for the most recent reporting year were 2.17 billion yen. The closest comparable publicly-listed firm reported earnings of 8.3 billion dinar during the same year and its stock is trading at a P/E multiple of 29.68. Based on this information, what is the estimated value of Mojo's shareholders' equity (in billion yen, with 2-digit precision, ex. 12.34)?