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.

jovana filled her bucket with 5 pounds of shells . if a friend comes to add 15 pounds of shells and another friend comes to add 17 pounds of shells how many pounds does she have altogether ?
37

the treehouse is almost done ; all they need is to paint it . his father estimated that they will use 20 ounces of white paint 15 ounces of green paint and 34 ounces of brown paint . how many ounces of paint would they buy in total ?
69

the ice rink has 85 pairs of skates to rent . 18 people rented skates when the ice rink opened . 25 more people rented skates during the first hour . how many pairs of skates are left ?
42