Larry has started a little dice game with his children. He gives them two six-sided dice with a $5 bet. If his children roll a seven they win $15. 

His children rolled a seven, eight times in a row. The house has lost. The bank has been broken. Larry has lost the $80 that Latisha let him have for spending this month. What are the odds of this happening to poor Larry? Calculate the odds as 1 in X. Solve for X.