The task is to generate the correct answer for a given math problem.

[Q]: 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 . 7 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each ?
[A]: s . 6342


[Q]: Problem: the probability is 1 / 2 that a certain coin turns up heads on any given toss . if the coin is tossed 6 times , what is the probability that the coin turns up tails on at least one of the tosses ?
[A]: 63 / 64


[Q]: Problem: find the number which multiplied by 15 is increased by 196 .
[A]:
14