It is known that a, b, and c are all natural numbers, and (1/(a))+(1/(b))+(1/(c))+1(1/6)=2(1/8), Then a+b+c=how much.
已知a、b、c都是自然数，且(1/(a))+(1/(b))+(1/(c))+1(1/6)=2(1/8)，那么a+b+c=多少．
<gadget id="calculator">8 + 3 + 2</gadget>
<output>13</output>

<result>13</result>