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

Example Input: Problem: in a room filled with 6 people , all 6 people have exactly 2 siblings in the room . if two individuals are selected from the room at random , what is the probability that those two individuals are not siblings ?
Example Output: 3 / 5

Example Input: Problem: two cycles are standing side - by - side . one cycle , which is 2.5 feets tall , casts a shadow that is 5 feets long . the other cycle is 2 feets tall . compute , in feets , the length of the shadow that the shorter cycle casts .
Example Output: 4

Example Input: Problem: a train 500 m long can cross an electric pole in 50 sec and then find the speed of the train ?
Example Output:
36 kmp