How many seconds does it take for the second hand to go from the number "4" to the number "10" on the clock face?
在钟面上秒针从数字"4"走到数字"10"经过多少秒．
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

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

<result>30</result>