10111.11two
convert the number to base 10.
10111.11two = 1 x 24 + 0 x 23 + 1 x 2 + 1 x 21 + 1 x 20 + 1 x 2−1 + 1 x 2−2
= 16 + 0 + 4 + 2 + 1 + 12 + 14
= 23 + 34 = 2334
