8873 + x = 13200, then x is?  Pick one:
A) 3327  B) 4327  C) 3337  D) 2337  E) none of these
<gadget id="calculator">13_200 - 8_873</gadget>
<output>4_327</output>

<result>B</result>
8873 + x = 13200, then x is?
subtract(13200, 8873)
answer x = 13200 - 8873 = 4327 option : b