If [x] is the greatest integer less than or equal to x, what is the value of [-11.6]+[13.4]+[12.7]?  Choose the correct option.
A) 3 B) 10 C) 13 D) 16 E) 17
You are asked what the closest lesser integer value to [x] is.   [-11.6] = -12.0   [13.4] = 13.0   [12.7] = 12.0   Therefore , answer is: -12.0 + 13.0 + 12.0= 
<gadget id="calculator">-12.0 + 13.0 + 12.0</gadget>
<output>13</output>
13.0   Option A.
<result>C</result>
If [x] is the greatest integer less than or equal to x, what is the value of [-11.6]+[13.4]+[12.7]?