It is known that A, B, and C are positive integers and satisfy the formula (24/5)=A+(1/(B+(1/(C+1)))), then A+2B+3C=how much.
已知A，B，C为正整数，而且满足算式(24/5)=A+(1/(B+(1/(C+1))))，那么A+2B+3C=多少．
<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">4 + 2 + 9</gadget>
<output>15</output>

<result>15</result>