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

Example Input: Problem: a train 200 m long can cross an electric pole in 5 sec and then find the speed of the train ?
Example Output: 144

Example Input: Problem: country c imposes a two - tiered tax on imported cars : the first tier imposes a tax of 12 % of the car ' s price up to a certain price level . if the car ' s price is higher than the first tier ' s level , the tax on the portion of the price that exceeds this value is 8 % . if ron imported a $ 14,000 imported car and ended up paying $ 1640 in taxes , what is the first tier ' s price level ?
Example Output: $ 1300

Example Input: Problem: laxmi and prasanna set on a journey . laxmi moves northwards at a speed of 20 kmph and prasanna moves southward at a speed of 30 kmph . how far will be prasanna from laxmi after 60 minutes ?
Example Output:
50