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

[Q]: Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?
[A]: 152409600


[Q]: Problem: during a car trip , maria stopped to rest after she traveled 1 / 2 of the total distance to her destination . she stopped again after she traveled 1 / 4 of the distance remaining between her first stop and her destination , and then she drove the remaining 135 miles to her detination . what was the total distance , in miles from maria ' s starting point to her destination ?
[A]: 360


[Q]: Problem: one side of a rectangular field is 15 m and one of its diagonal is 18 m . find the area of the field .
[A]:
148.5