Before Valentine's Day, a store bought 58 boxes of chocolates. There were 65 chocolates in each box. How many chocolates did the store buy?

The store bought 58 boxes x 65 chocolates = <<58*65=3770>>3770 chocolates. Answer: \boxed{3770}.

To find out how many chocolates the store bought, you can multiply the number of boxes by the number of chocolates in each box.

58 boxes * 65 chocolates/box = 3770 chocolates

Therefore, the store bought 3770 chocolates.