The task is to generate the correct answer for a given math problem.
--------
Question: Problem: a train running at the speed of 70 km / hr crosses a pole in 9 sec . what is the length of the train ?

Answer: 175 m

Question: Problem: a van takes 5 hours to cover a distance of 495 km . what speed in kph should the van maintain to cover the same distance in 3 / 2 of the previous time ?

Answer: 66

Question: Problem: a jar of 364 marbles is divided equally among a group of marble - players today . if 2 people joined the group in the future , each person would receive 1 marble less . how many people are there in the group today ?

Answer:
26