IBC Precision Cooktop I placed 2 orders of the ccoktop they show on TV with buy one get 1 free TV offer the advertisement says that 3 payments of $ 33.32 but they took $1106.36 from my bank account sending me items LIberty Ville, Illinois

I placed an order to this IBC Precision Cooktop onTV they advertised that the price will be a three payments of $33.32 per order and it is a buy one get one free, instead they get from my bank account $1106.36. I tried to call them but it is hard to get hold of them three weeks later I was able to contact the company and complaint about how much they took from my bank account they said that they will check the recording when I placed my order but until now they have not call me back. Every day I was calling them but everytime I call them it is always answering machine. How can I get my money back.