GAUSS8 2015 Problem 24

Two joggers each run at their own constant speed and in opposite directions from one another around an oval track. They meet every 36 seconds. The first jogger completes one lap of the track in a time that, when measured in seconds, is a number (not necessarily an integer) between 80 and 100. The second jogger completes one lap of the track in a time, t seconds, where t is a positive integer. The product of the smallest and largest possible integer values of t is

Answer Choices
A. 3705
B. 3762
C. 2816
D. 3640
E. 3696