A man went to 4 different temples with some money.The moment he went to the 1st temple, his money doubled and he donated 100 bucks.He went to the 2nd temple, his money doubled again; and he donated 100 bucks over there also.In the 3rd temple, the money doubled once gain; and he again donated 100 bucks over there also.While visiting the 4th and the last temple, his money doubled and he donated 100 bucks and he was left empty-handed.How much money did he leave home with??