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

[Q]: Problem: find the area of a parallelogram with base 10 cm and height 20 cm .
[A]: 200


[Q]: Problem: a train 110 m long is running with a speed of 36 km / hr . in what time will it pass a man who is running at 6 km / hr in the direction opposite to that in which the train is going ?
[A]: 9


[Q]: Problem: a palindrome is a number that reads the same forward and backward , such as 196 . how many odd , 4 - digit numbers are palindromes ?
[A]:
90