The sum of three consecutive odd numbers is 69, what is the largest of these three odd numbers?
三个连续奇数的和是69，那么这三个奇数中最大一个是多少．
<gadget id="calculator">69 / 3</gadget>
<output>23</output>

<gadget id="calculator">23 + 2</gadget>
<output>25</output>

<result>25</result>