How many seconds does it take for the second hand to go from "1" to "6" on the clock face?
秒针在钟面上从"1"走到"6"，用了多少秒秒．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

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

<result>25</result>