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

[EX Q]: There are 84 leaves . There are 139 ladybugs on each leaf . How many ladybugs are there in all ?
[EX A]: 11676

[EX Q]: Gwen earned 8 points for each bag of cans she recycled . If she had 4 bags , but did n't recycle 2 of them , how many points would she have earned ?
[EX A]: 16

[EX Q]: If 0.5 of 8 pets are cats . How many are cats ?
[EX A]:
4