What should come in place of the question mark (?) in the following equation?
5978 + 6134 + 7014 = ?  Choose the correct choice:  A) 19226  B) 16226  C) 19216  D) 19126  E) None of these
? = 5978 + 6134 + 7014= 
<gadget id="calculator">5978 + 6134 + 7014</gadget>
<output>19_126</output>
19126   Answer 19126
<result>D</result>
What should come in place of the question mark (?) in the following equation?
5978 + 6134 + 7014 = ?