instruction:
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.
question:
joshua has 3 toy boxes for his toy cars . he puts in 21 toy cars in the first toy box 31 toy cars in the second toy box and 19 toy cars in the third box . how many toy cars does joshua have together ?
answer:
71

question:
the friends then proceeded to the rest of the houses in their village . however sam had to go home earlier . she got her share of candies which are composed of 10 chewing gums 15 chocolate bars and 20 assorted fruit candies . how many candies did she get in total ?
answer:
45

question:
anita needs 26 cartons of berries to make a berry cobbler . she already has 10 cartons of strawberries and 9 cartons of blueberries . how many more cartons of berries should anita buy ?
answer:
7