There are 47 distinct numbers in set M, there are 28 distinct numbers in set N, and there are 12 distinct numbers that are in both sets M and N. Set H is the set containing the elements that are in at least one of sets M and N. How many elements are in set H?	Choose the correct choice:
A) 39	B) 40	C) 51	D) 58	E) 63
{Total} = {M} + {N} - {Both}   {Total} = 47 + 28 - 12= 
<gadget id="calculator">47 + 28 - 12</gadget>
<output>63</output>
63.   Answer: 63.
<result>E</result>
There are 47 distinct numbers in set M, there are 28 distinct numbers in set N, and there are 12 distinct numbers that are in both sets M and N. Set H is the set containing the elements that are in at least one of sets M and N. How many elements are in set H?