You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

finally she planned on going to the halloween party in the village club house . she wanted to make sure that she will have the perfect costume so she rented 4 different costumes from the halloween store . if each costume rent costs $ 2 how much did she spend on all the costumes ?
8