If A = 625 * 7776 * 16 / 1296, How many digits are in A? Choose the most appropriate option:
A) 5  B) 2  C) 3  D) 4  E) 0
5 = 625 * 7776 * 16 / 1296   5 = 5^4 * 6^5 * 2^4 / 6^4   5 = 10^4*6 = 60000   Option: 5
<result>A</result>
If A = 625 * 7776 * 16 / 1296, How many digits are in A?