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.

[Q]: Roger had 45 dollars in January . By March he had spent 20 dollars . If he got another 46 dollars from his mom , how much money would he have ?
[A]: 71


[Q]: A painter needed to paint 6 rooms in a building . Each room takes 5 hours to paint . If he already painted 2 rooms , how much longer will he take to paint the rest ?
[A]: 20


[Q]: Sam had 10 socks . If he threw away 3 old ones that did n't fit and bought 36 new ones , how many socks would he have ?
[A]:
43