The second hand on the clock face goes from 3 to 8, how many seconds elapsed
钟面上秒针从3走到8，经过的时间是多少秒
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

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

<result>25</result>