An electronic watch displays 8:3125 at 8:31:25, so how many times are there when the 5 numbers on this watch are different during the period from 7:00 to 8:00?
一种电子表在8时31分25秒时显示为8：3125，那么从7时到8时这段时间里，此表的5个数字都不相同的时刻一共有多少个．
<gadget id="calculator">1 * 6 * 5 * 7 * 6</gadget>
<output>1_260</output>

<result>1_260</result>