There are two numbers A and B, and their least common multiple is 27 times that of A. It is known that the number A is a multiple of 2, 4, 6, 8, 10, 12, 14, 16, but not a multiple of 18; the number B is a two-digit number. What is the B number?
有甲、乙两个数，它们的最小公倍数是甲数的27倍．已知甲数是2、4、6、8、10、12、14、16的倍数，但不是18的倍数；乙数是两位数．乙数是多少？
<gadget id="calculator">27 * 3</gadget>
<output>81</output>

<result>81</result>