Known 1=(1/(A))+(1/(B))+(1/(C)) (where A, B, and C represent different natural numbers), then A+B+C= How many.
已知1=(1/(A))+(1/(B))+(1/(C))(其中A，B，和C代表互不相同的自然数)，则A+B+C=多少．
<gadget id="calculator">2 + 3 + 6</gadget>
<output>11</output>

<result>11</result>