Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: 8 * 37 â€“ 7 * 40 = 16
 The question and answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The average of eight results is 37 and that of the first seven is 40. The eighth result is?
Options:
(A) 25
(B) 30
(C) 12
(D) 37
(E) 16
The answer is (E)