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.

Ex Input:
betty also bought 140 shiny blue round stones . if 14 pieces of this stone is in each bracelet how many bracelets of blue shiny round stones will there be ?

Ex Output:
10


Ex Input:
when he arrived there he went on to climb to the top of the falls . it usually takes 30 minutes for someone to get to the top . stanley took time to see the view so his climb took 7 times longer than the usual . how many minutes did it take stanley to get to the top ?

Ex Output:
210


Ex Input:
at a candy store you could get 2 giant lollipops for $ 2.40 . how much would it cost to buy 6 lollipops ?

Ex Output:

7.2