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:
olivia was collecting cans for recycling . she had 4 bags with 5 cans inside each bag . how many cans did she have ?
answer:
20

question:
chris gave his 35 friends 12 pieces of candy each . how many pieces of candy did chris give his friends ?
answer:
420

question:
before they end the meeting tom counted the total number of robots in his collection . he has 6 sets of robots and each set is composed of 7 robots . how many robots does tom have in his collection ?
answer:
42