Add 5 to a number, and this number can be divisible by 2, 3, 5 at the same time, what is the smallest number?
一个数加上5，同时这个数能被2、3、5整除，最小是多少．
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 - 5</gadget>
<output>25</output>

<result>25</result>