Evaluate the following expression if b = 114.

1/2b + 58 x 2

1/2b = 1/2 * 114 = 57

58 x 2 = 116

Now add the two results together:
57 + 116 = 173

Therefore, the result of the expression 1/2b + 58 x 2 when b = 114 is 173.