If the number A is 3 times the number B, and the number B is 3 times the number C, then how many times is the number A equal to the number C?
甲数是乙数的3倍，乙数是丙数的3倍，那么甲数是丙数的多少倍．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

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

<result>9</result>