A number, divided by 8, 9, 18, can be divided evenly, what is the smallest number.
一个数，用8、9、18去除，都能整除，这个数最小是多少．
<gadget id="calculator">2 * 2 * 2 * 3 * 3</gadget>
<output>72</output>

<result>72</result>