The number A is 12 times that of B, and the number C is 18 times that of B. What is the ratio of A to C?
甲数是乙数的12倍，丙数是乙数的18倍，那么甲数与丙数的比值是多少．
<gadget id="calculator">12 / 18</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>