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 Input:
Brian ’ s car gets 20 miles per gallon . On his last trip , he used 3 gallons of gas . How many miles did he travel on his last trip ?

Ex Output:
60


Ex Input:
After the price of petroleum oil went up by 10 % , a consumer reduced his oil consumption by the same percent . By what percent would his petroleum bill be changed ?

Ex Output:
1


Ex Input:
Isabel was selling her necklaces at a garage sale . She sold 3 bead necklaces and 3 gem stone necklaces . If each necklace cost 6 dollars , how much money did she earn ?

Ex Output:

36