25 * 25 / 25 + 15 * 40 = ________?

25 * 25 / 25 + 15 * 40 = ________?

A. 125
B. 525
C. 25/64
D. 625
Explanation:
(25 * 25)/25 + 15 * 40 = 25 + 600 = 625.