How many seconds does it take for the second hand to go from the number "9" to the number "2" on the clock face?
在钟面上秒针从数字"9"走到数字"2"经过多少秒．
<gadget id="calculator">12 - 9</gadget>
<output>3</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>