The average age of a husband and a wife is 28 years when they were married ten years ago but now the average age of the husband, wife and child is 27 years(the child was born during the interval). What is the present age of the child?	Select the correct option.
A) 2 years  B) 5 years  C) 9 years  D) 4 years  E) 1 years
38 * 2= 
<gadget id="calculator">38 * 2</gadget>
<output>76</output>
76   27 * 3= 
<gadget id="calculator">27 * 3</gadget>
<output>81</output>
81   -----------   5 years   Answer:5 years
<result>B</result>
The average age of a husband and a wife is 28 years when they were married ten years ago but now the average age of the husband, wife and child is 27 years(the child was born during the interval). What is the present age of the child?