Find the rules and fill in the appropriate numbers in the brackets: 3, 5, 9, 17, how much, 65...
找规律在括号里填上合适的数：3、5、9、17、多少、65…
<gadget id="calculator">17 * 2</gadget>
<output>34</output>

<gadget id="calculator">34 - 1</gadget>
<output>33</output>

<result>33</result>