instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: john left home and drove at the rate of 45 mph for 2 hours . he stopped for lunch then drove for another 3 hours at the rate of 45 mph to reach his destination . how many miles did john drive ?
answer:
225 miles .


question:
Problem: a hiker walking at a constant rate of 4 kilometers per hour is passed by a cyclist travelling in the same direction along the same path at a constant rate of 30 kilometers per hour . the cyclist stops and waits for the hiker 5 minutes after passing her while the hiker continues to walk at her constant rate . how many minutes must the cyclist wait until the hiker catches up ?
answer:
32.


question:
Problem: how many 3 - digit even numbers are possible such that if one of the digits is 3 , the next / succeeding digit to it should be 7 ?
answer: