How many seconds does it take for the second hand to go from the number "10" to the number "4" on the clock face?
在钟面上秒针从数字"10"走到数字"4"经过多少秒．
<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<gadget id="calculator">2 + 4</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>