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]: You deposit 70 dollars in a savings account that pays an annual interest rate of 3 % . How much simple interest would you earn in 2.5 years , in dollars ?
[EX A]: 5.25

[EX Q]: Benny bought 7 dozen eggs from the grocery store to bake some cakes . How many eggs did Benny buy ?
[EX A]: 84

[EX Q]: The Hawks scored 3 touchdowns worth 7 points each . How many points do they have ?
[EX A]:
21