The task is to generate the correct answer for a given math problem.
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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: zachary is helping his younger brother , sterling , learn his multiplication tables . for every question that sterling answers correctly , zachary gives him 3 pieces of candy . for every question that sterling answers incorrectly , zachary takes away two pieces of candy . after 6 questions , if sterling had answered 2 more questions correctly , he would have earned 31 pieces of candy . how many of the 6 questions did zachary answer correctly ?

Answer: 7


Question: Problem: 30 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780 . the bigger part is :

Answer:
10