The task is to generate the correct answer for a given math problem.
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Question: Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long , and the distance between them is 10 cm ?

Answer: 190 cm

Question: Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?

Answer: 19

Question: Problem: the dimensions of a room are 25 feet * 15 feet * 12 feet . what is the cost of white washing the four walls of the room at rs . 4 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each ?

Answer:
3624